Cyber Resilience

CVE-2021-44685

CriticalPublic PoCRCE

Published: 07 December 2021

Published
07 December 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0196 83.9th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-44685 is a critical-severity OS Command Injection (CWE-78) vulnerability in Git-It Project Git-It. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 16.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Git-it through 4.4.0 allows OS command injection at the Branches Aren't Just For Birds challenge step. During the verification process, it attempts to run the reflog command followed by the current branch name (which is not sanitized for execution).

CWE(s)
CWE-78

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

git-it project
git-it
≤ 4.4.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References