CVE-2021-39947 is a vulnerability in Gitlab Runner
Published on June 6, 2022
In specific circumstances, trace file buffers in GitLab Runner versions up to 14.3.4, 14.4 to 14.4.2, and 14.5 to 14.5.2 would re-use the file descriptor 0 for multiple traces and mix the output of several jobs
Vulnerability Analysis
CVE-2021-39947 can be exploited with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Products Associated with CVE-2021-39947
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Affected Versions
GitLab Runner:- Version <14.3.4 is affected.
- Version >=14.4, <14.4.2 is affected.
- Version >=14.5, <14.5.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.