CVE catalog
CVE-2021-41773
apache2: CVE-2021-41773
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- Exploitation
- CISA Known Exploited Vulnerabilities
- EPSS
- 99.99% · Oct 25, 2026
Apache HTTP Server contains a path traversal vulnerability that allows an attacker to perform remote code execution if files outside directories configured by Alias-like directives are not under default �require all denied� or if CGI scripts are enabled. The original patch issued under this CVE ID is insufficient, please review remediation information under CVE-2021-42013.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | apache2 | sid | 2.4.69-1 | fixed |
| Debian | apache2 | forky | 2.4.69-1 | fixed |
| Debian | apache2 | trixie | 2.4.68-1~deb13u1 | fixed |
| Debian | apache2 | trixie-security | 2.4.69-1~deb13u1 | fixed |
| Debian | apache2 | bookworm | 2.4.68-1~deb12u1 | fixed |
| Debian | apache2 | bookworm-security | 2.4.67-1~deb12u3 | fixed |
| Alpine | apache2 | 3.11 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.12 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.13 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.14 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.15 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.16 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.17 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.18 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.19 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.20 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.21 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.22 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.23 | 2.4.50-r0 | fixed |
| Alpine | apache2 | 3.24 | 2.4.50-r0 | fixed |
| Opensuse | apache2 | tumbleweed | 2.4.51-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | apache2 | source | sid | 2.4.50-1 | not yet assigned | Not reported | Not reported |
| Debian | apache2 | source | forky | 2.4.50-1 | not yet assigned | Not reported | Not reported |
| Debian | apache2 | source | trixie | 2.4.50-1 | not yet assigned | Not reported | Not reported |
| Debian | apache2 | source | bookworm | 2.4.50-1 | not yet assigned | Not reported | Not reported |
| Alpine | apache2 | apk | 3.11 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.12 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.13 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.14 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.15 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.16 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.17 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.18 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.19 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.20 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.21 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.22 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.23 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Alpine | apache2 | apk | 3.24 | 2.4.50-r0 | Not reported | ALPINE-CVE-2021-41773 | Not reported |
| Opensuse | apache2 | rpm | tumbleweed | 2.4.51-1.1 | Not reported | OPENSUSE-SU-2024:11560-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [apache2]Unknown
Details (4)
2.4.68-1~deb12u1· amd64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.68-1~deb12u1· arm64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· amd64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· arm64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
- [apache2-bin]Unknown
Source package: [apache2]
Details (4)
2.4.68-1~deb12u1· amd64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.68-1~deb12u1· arm64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· amd64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· arm64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
- [apache2-data]Unknown
Source package: [apache2]
Details (4)
2.4.68-1~deb12u1· all · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.68-1~deb12u1· all · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· all · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· all · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
- [apache2-dev]Unknown
Source package: [apache2]
Details (4)
2.4.68-1~deb12u1· amd64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.68-1~deb12u1· arm64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· amd64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· arm64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
- [apache2-doc]Unknown
Source package: [apache2]
Details (4)
2.4.68-1~deb12u1· all · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.68-1~deb12u1· all · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· all · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· all · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
- [apache2-ssl-dev]Unknown
Source package: [apache2]
Details (4)
2.4.68-1~deb12u1· amd64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.68-1~deb12u1· arm64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· amd64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· arm64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
- [apache2-suexec-custom]Unknown
Source package: [apache2]
Details (4)
2.4.68-1~deb12u1· amd64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.68-1~deb12u1· arm64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· amd64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· arm64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
- [apache2-suexec-pristine]Unknown
Source package: [apache2]
Details (4)
2.4.68-1~deb12u1· amd64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.68-1~deb12u1· arm64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· amd64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· arm64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
- [apache2-utils]Unknown
Source package: [apache2]
Details (4)
2.4.68-1~deb12u1· amd64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.68-1~deb12u1· arm64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· amd64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· arm64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
- [libapache2-mod-md]Unknown
Source package: [apache2]
Details (4)
2.4.68-1~deb12u1· amd64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.68-1~deb12u1· arm64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· amd64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· arm64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
- [libapache2-mod-proxy-uwsgi]Unknown
Source package: [apache2]
Details (4)
2.4.68-1~deb12u1· amd64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.68-1~deb12u1· arm64 · bookwormFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· amd64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
2.4.67-1~deb12u3· arm64 · bookworm-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · bookworm; dsa · apache2 · debian · 12
[Debian 13 (Trixie)]
- [apache2]Unknown
Details (5)
2.4.68-1~deb13u1· amd64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.68-1~deb13u1· arm64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· amd64 · trixie-security · Historical versionFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· arm64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.69-1~deb13u1· amd64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
- [apache2-bin]Unknown
Source package: [apache2]
Details (5)
2.4.68-1~deb13u1· amd64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.68-1~deb13u1· arm64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· amd64 · trixie-security · Historical versionFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· arm64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.69-1~deb13u1· amd64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
- [apache2-data]Unknown
Source package: [apache2]
Details (5)
2.4.68-1~deb13u1· all · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.68-1~deb13u1· all · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· all · trixie-security · Historical versionFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· all · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.69-1~deb13u1· all · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
- [apache2-dev]Unknown
Source package: [apache2]
Details (5)
2.4.68-1~deb13u1· amd64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.68-1~deb13u1· arm64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· amd64 · trixie-security · Historical versionFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· arm64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.69-1~deb13u1· amd64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
- [apache2-doc]Unknown
Source package: [apache2]
Details (5)
2.4.68-1~deb13u1· all · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.68-1~deb13u1· all · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· all · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· all · trixie-security · Historical versionFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.69-1~deb13u1· all · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
- [apache2-ssl-dev]Unknown
Source package: [apache2]
Details (5)
2.4.68-1~deb13u1· amd64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.68-1~deb13u1· arm64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· amd64 · trixie-security · Historical versionFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· arm64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.69-1~deb13u1· amd64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
- [apache2-suexec-custom]Unknown
Source package: [apache2]
Details (5)
2.4.68-1~deb13u1· amd64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.68-1~deb13u1· arm64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· amd64 · trixie-security · Historical versionFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· arm64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.69-1~deb13u1· amd64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
- [apache2-suexec-pristine]Unknown
Source package: [apache2]
Details (5)
2.4.68-1~deb13u1· amd64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.68-1~deb13u1· arm64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· amd64 · trixie-security · Historical versionFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· arm64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.69-1~deb13u1· amd64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
- [apache2-utils]Unknown
Source package: [apache2]
Details (5)
2.4.68-1~deb13u1· amd64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.68-1~deb13u1· arm64 · trixieFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· amd64 · trixie-security · Historical versionFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.67-1~deb13u3· arm64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
2.4.69-1~deb13u1· amd64 · trixie-securityFixed · Fixed:
2.4.50-1dsa · apache2 · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_11560-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2021-41773]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-41773]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:11560-1]
- [https://security-tracker.debian.org/tracker/CVE-2021-41773]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-41773.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1591.json]
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog]
[CERT-Bund public advisories] · [CISA Known Exploited Vulnerabilities (OSINT)] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]