Vulnerability · Published Jul 5, 2021 · Assigned by mitre
CVE-2021-36158
Medium 5.9
In plain English
A medium-severity security flaw in the xrdp package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.9Medium
Exploit odds (30 days)0.3%top 71.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | xrdp | 0.9.15-r1 | ALPINE-CVE-2021-36158 |
| Alpine:v3.21 | xrdp | 0.9.15-r1 | ALPINE-CVE-2021-36158 |
| Alpine:v3.22 | xrdp | 0.9.15-r1 | ALPINE-CVE-2021-36158 |
| Alpine:v3.23 | xrdp | 0.9.15-r1 | ALPINE-CVE-2021-36158 |
| Alpine:v3.24 | xrdp | 0.9.15-r1 | ALPINE-CVE-2021-36158 |
Affected products (as reported)
References
- https://gitlab.alpinelinux.org/alpine/aports/-/issues/12811 x_refsource_MISC