
CVE catalog
CVE-2021-25743
kubernetes: CVE-2021-25743
- Severity
- Medium · CVSS 4
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.78% · Oct 25, 2026
kubectl does not neutralize escape, meta or control sequences contained in the raw data it outputs to a terminal. This includes but is not limited to the unstructured string fields in objects such as Events.
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 | kubernetes | sid | 1.36.4+ds-1 | fixed |
| Debian | kubernetes | forky | 1.36.4+ds-1 | fixed |
| Debian | kubernetes | trixie | 1.32.3+ds-2 | fixed |
| Debian | kubernetes | bookworm | 1.20.5+really1.20.2-1.1+deb12u1 | fixed |
| Suse | kubernetes1.25 | linux enterprise module for containers 15 sp5 | 1.25.16-150400.9.10.1 | fixed |
| Suse | kubernetes1.25 | linux enterprise module for containers 15 sp6 | 1.25.16-150400.9.10.1 | fixed |
| Opensuse | kubernetes1.25 | leap 15.5 | 1.25.16-150400.9.10.1 | fixed |
| Opensuse | kubernetes1.25 | leap 15.6 | 1.25.16-150400.9.10.1 | fixed |
| Suse | kubernetes1.23 | linux enterprise high performance computing 15 sp3-ltss | 1.23.17-150300.7.12.1 | fixed |
| Suse | kubernetes1.23 | linux enterprise high performance computing 15 sp4-espos | 1.23.17-150300.7.12.1 | fixed |
| Suse | kubernetes1.23 | linux enterprise high performance computing 15 sp4-ltss | 1.23.17-150300.7.12.1 | fixed |
| Suse | kubernetes1.23 | linux enterprise server 15 sp3-ltss | 1.23.17-150300.7.12.1 | fixed |
| Suse | kubernetes1.23 | linux enterprise server 15 sp4-ltss | 1.23.17-150300.7.12.1 | fixed |
| Suse | kubernetes1.23 | linux enterprise server for sap applications 15 sp3 | 1.23.17-150300.7.12.1 | fixed |
| Suse | kubernetes1.23 | linux enterprise server for sap applications 15 sp4 | 1.23.17-150300.7.12.1 | fixed |
| Suse | kubernetes1.23 | enterprise storage 7.1 | 1.23.17-150300.7.12.1 | fixed |
| Suse | kubernetes1.24 | linux enterprise high performance computing 15 sp3-ltss | 1.24.17-150300.7.6.1 | fixed |
| Suse | kubernetes1.24 | linux enterprise server 15 sp3-ltss | 1.24.17-150300.7.6.1 | fixed |
| Suse | kubernetes1.24 | linux enterprise server for sap applications 15 sp3 | 1.24.17-150300.7.6.1 | fixed |
| Suse | kubernetes1.24 | enterprise storage 7.1 | 1.24.17-150300.7.6.1 | fixed |
| Suse | kubernetes1.24 | linux enterprise high performance computing 15 sp4-espos | 1.24.17-150400.9.16.1 | fixed |
| Suse | kubernetes1.24 | linux enterprise high performance computing 15 sp4-ltss | 1.24.17-150400.9.16.1 | fixed |
| Suse | kubernetes1.24 | linux enterprise server 15 sp4-ltss | 1.24.17-150400.9.16.1 | fixed |
| Suse | kubernetes1.24 | linux enterprise server for sap applications 15 sp4 | 1.24.17-150400.9.16.1 | fixed |
| Suse | kubernetes1.23 | linux enterprise module for containers 15 sp5 | 1.23.17-150500.3.15.1 | fixed |
| Opensuse | kubernetes1.23 | leap 15.5 | 1.23.17-150500.3.15.1 | fixed |
| Opensuse | kubernetes1.23 | leap 15.6 | 1.23.17-150500.3.15.1 | fixed |
| Suse | kubernetes1.24 | linux enterprise module for containers 15 sp5 | 1.24.17-150500.3.19.1 | fixed |
| Opensuse | kubernetes1.24 | leap 15.5 | 1.24.17-150500.3.19.1 | fixed |
| Opensuse | kubernetes1.24 | leap 15.6 | 1.24.17-150500.3.19.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | kubernetes | source | sid | 1.31.4+ds-1 | not yet assigned | Not reported | [1016441] |
| Debian | kubernetes | source | forky | 1.31.4+ds-1 | not yet assigned | Not reported | [1016441] |
| Debian | kubernetes | source | trixie | 1.31.4+ds-1 | not yet assigned | Not reported | [1016441] |
| Debian | kubernetes | source | bookworm | 1.20.5+really1.20.2-1.1 | not yet assigned | Not reported | [1016441] |
| Suse | kubernetes1.25 | rpm | linux enterprise module for containers 15 sp5 | 1.25.16-150400.9.10.1 | Not reported | SUSE-SU-2024:2928-1 | Not reported |
| Suse | kubernetes1.25 | rpm | linux enterprise module for containers 15 sp6 | 1.25.16-150400.9.10.1 | Not reported | SUSE-SU-2024:2928-1 | Not reported |
| Opensuse | kubernetes1.25 | rpm | leap 15.5 | 1.25.16-150400.9.10.1 | Not reported | SUSE-SU-2024:2928-1 | Not reported |
| Opensuse | kubernetes1.25 | rpm | leap 15.6 | 1.25.16-150400.9.10.1 | Not reported | SUSE-SU-2024:2928-1 | Not reported |
| Suse | kubernetes1.23 | rpm | linux enterprise high performance computing 15 sp3-ltss | 1.23.17-150300.7.12.1 | Not reported | SUSE-SU-2025:02423-2 | Not reported |
| Suse | kubernetes1.23 | rpm | linux enterprise high performance computing 15 sp4-espos | 1.23.17-150300.7.12.1 | Not reported | SUSE-SU-2025:02423-2 | Not reported |
| Suse | kubernetes1.23 | rpm | linux enterprise high performance computing 15 sp4-ltss | 1.23.17-150300.7.12.1 | Not reported | SUSE-SU-2025:02423-2 | Not reported |
| Suse | kubernetes1.23 | rpm | linux enterprise server 15 sp3-ltss | 1.23.17-150300.7.12.1 | Not reported | SUSE-SU-2025:02423-2 | Not reported |
| Suse | kubernetes1.23 | rpm | linux enterprise server 15 sp4-ltss | 1.23.17-150300.7.12.1 | Not reported | SUSE-SU-2025:02423-2 | Not reported |
| Suse | kubernetes1.23 | rpm | linux enterprise server for sap applications 15 sp3 | 1.23.17-150300.7.12.1 | Not reported | SUSE-SU-2025:02423-2 | Not reported |
| Suse | kubernetes1.23 | rpm | linux enterprise server for sap applications 15 sp4 | 1.23.17-150300.7.12.1 | Not reported | SUSE-SU-2025:02423-2 | Not reported |
| Suse | kubernetes1.23 | rpm | enterprise storage 7.1 | 1.23.17-150300.7.12.1 | Not reported | SUSE-SU-2025:02423-2 | Not reported |
| Suse | kubernetes1.24 | rpm | linux enterprise high performance computing 15 sp3-ltss | 1.24.17-150300.7.6.1 | Not reported | SUSE-SU-2024:3343-1 | Not reported |
| Suse | kubernetes1.24 | rpm | linux enterprise server 15 sp3-ltss | 1.24.17-150300.7.6.1 | Not reported | SUSE-SU-2024:3343-1 | Not reported |
| Suse | kubernetes1.24 | rpm | linux enterprise server for sap applications 15 sp3 | 1.24.17-150300.7.6.1 | Not reported | SUSE-SU-2024:3343-1 | Not reported |
| Suse | kubernetes1.24 | rpm | enterprise storage 7.1 | 1.24.17-150300.7.6.1 | Not reported | SUSE-SU-2024:3343-1 | Not reported |
| Suse | kubernetes1.24 | rpm | linux enterprise high performance computing 15 sp4-espos | 1.24.17-150400.9.16.1 | Not reported | SUSE-SU-2024:3341-1 | Not reported |
| Suse | kubernetes1.24 | rpm | linux enterprise high performance computing 15 sp4-ltss | 1.24.17-150400.9.16.1 | Not reported | SUSE-SU-2024:3341-1 | Not reported |
| Suse | kubernetes1.24 | rpm | linux enterprise server 15 sp4-ltss | 1.24.17-150400.9.16.1 | Not reported | SUSE-SU-2024:3341-1 | Not reported |
| Suse | kubernetes1.24 | rpm | linux enterprise server for sap applications 15 sp4 | 1.24.17-150400.9.16.1 | Not reported | SUSE-SU-2024:3341-1 | Not reported |
| Suse | kubernetes1.23 | rpm | linux enterprise module for containers 15 sp5 | 1.23.17-150500.3.15.1 | Not reported | SUSE-SU-2024:2858-1 | Not reported |
| Opensuse | kubernetes1.23 | rpm | leap 15.5 | 1.23.17-150500.3.15.1 | Not reported | SUSE-SU-2024:2858-1 | Not reported |
| Opensuse | kubernetes1.23 | rpm | leap 15.6 | 1.23.17-150500.3.15.1 | Not reported | SUSE-SU-2024:2858-1 | Not reported |
| Suse | kubernetes1.24 | rpm | linux enterprise module for containers 15 sp5 | 1.24.17-150500.3.19.1 | Not reported | SUSE-SU-2024:2859-1 | Not reported |
| Opensuse | kubernetes1.24 | rpm | leap 15.5 | 1.24.17-150500.3.19.1 | Not reported | SUSE-SU-2024:2859-1 | Not reported |
| Opensuse | kubernetes1.24 | rpm | leap 15.6 | 1.24.17-150500.3.19.1 | Not reported | SUSE-SU-2024:2859-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [kubernetes-client]Fixed
Source package: [kubernetes]
Details (2)
1.20.5+really1.20.2-1.1+deb12u1· amd64 · bookwormFixed · Fixed:
1.20.5+really1.20.2-1.1dsa · kubernetes · debian · bookworm; dsa · kubernetes · debian · 12
1.20.5+really1.20.2-1.1+deb12u1· arm64 · bookwormFixed · Fixed:
1.20.5+really1.20.2-1.1dsa · kubernetes · debian · bookworm; dsa · kubernetes · debian · 12
[Debian 13 (Trixie)]
- [golang-k8s-kubectl-dev]Fixed
Source package: [kubernetes]
Details (2)
1.32.3+ds-2· all · trixieFixed · Fixed:
1.31.4+ds-1dsa · kubernetes · debian · 13
1.32.3+ds-2· all · trixieFixed · Fixed:
1.31.4+ds-1dsa · kubernetes · debian · 13
- [kubectl]Fixed
Source package: [kubernetes]
Details (2)
1.32.3+ds-2· amd64 · trixieFixed · Fixed:
1.31.4+ds-1dsa · kubernetes · debian · 13
1.32.3+ds-2· arm64 · trixieFixed · Fixed:
1.31.4+ds-1dsa · kubernetes · debian · 13
- [kubernetes-client]Fixed
Source package: [kubernetes]
Details (2)
1.32.3+ds-2· amd64 · trixieFixed · Fixed:
1.31.4+ds-1dsa · kubernetes · debian · 13
1.32.3+ds-2· arm64 · trixieFixed · Fixed:
1.31.4+ds-1dsa · kubernetes · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2024_2858-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2021-25743]
- [https://osv.dev/vulnerability/SUSE-SU-2024:2858-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:2859-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:2928-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:3341-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:3343-1]
- [https://osv.dev/vulnerability/SUSE-SU-2025:02423-2]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2021-25743]
- [https://security-tracker.debian.org/tracker/CVE-2021-25743]
- [https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-25743.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1488.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]