Cyber Resilience

CVE-2020-36561

CriticalPublic PoC

Published: 27 December 2022

Published
27 December 2022
Modified
11 April 2025
KEV Added
—
Patch
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CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS Score 0.0061 70.3th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-36561 is a critical-severity Path Traversal (CWE-22) vulnerability in Unzip Project Unzip. Its CVSS base score is 9.1 (Critical).

Operationally, ranked in the top 29.7% 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

Due to improper path sanitization, archives containing relative file paths can cause files to be written (or overwritten) outside of the target directory.

CWE(s)
CWE-22

Related Threats

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

Affected Assets

unzip project
unzip
≤ 1.0.3-0.20200308084313-2adbaa4891b9

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.

SI-10 Information Input Validation
addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References