CVE catalog
CVE-2021-36158
xrdp: CVE-2021-36158
- Severity
- Low
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.35% · Oct 25, 2026
In the xrdp package (in branches through 3.14) for Alpine Linux, RDP sessions are vulnerable to man-in-the-middle attacks because pre-generated RSA certificates and private keys are used.
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 | xrdp | sid | 0.10.6.1-3 | not affected |
| Debian | xrdp | forky | 0.10.6.1-3 | not affected |
| Debian | xrdp | trixie | 0.10.1-3.1+deb13u2 | not affected |
| Debian | xrdp | trixie-security | 0.10.1-3.1+deb13u2 | not affected |
| Debian | xrdp | bookworm | 0.9.21.1-1+deb12u2 | not affected |
| Debian | xrdp | bookworm-security | 0.9.21.1-1+deb12u3 | not affected |
| Alpine | xrdp | 3.11 | 0.9.11-r1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | xrdp | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | xrdp | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | xrdp | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | xrdp | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Alpine | xrdp | apk | 3.11 | 0.9.11-r1 | Not reported | ALPINE-CVE-2021-36158 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [xrdp]Unknown
Details (6)
0.9.21.1-1+deb12u2· amd64 · bookwormNot affected
dsa · xrdp · debian · bookworm
0.9.21.1-1+deb12u2· arm64 · bookwormNot affected
dsa · xrdp · debian · bookworm
0.9.24-5~bpo12+1· amd64 · bookworm-backportsNot affected
dsa · xrdp · debian · bookworm
0.9.24-5~bpo12+1· arm64 · bookworm-backportsNot affected
dsa · xrdp · debian · bookworm
0.9.21.1-1+deb12u3· amd64 · bookworm-securityNot affected
dsa · xrdp · debian · bookworm
0.9.21.1-1+deb12u3· arm64 · bookworm-securityNot affected
dsa · xrdp · debian · bookworm
Observed: