Cyber Resilience

CVE-2021-21037

High

Published: 11 February 2021

Published
11 February 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.1313 94.3th percentile
Risk Priority 23 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-21037 is a high-severity Path Traversal (CWE-22) vulnerability in Adobe Acrobat. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 5.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Path Traversal vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current…

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user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CWE(s)

Related Threats

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

Affected Assets

adobe
acrobat
17.0 — 17.011.30188 · 20.0 — 20.001.30018
adobe
acrobat dc
≤ 20.013.20074
adobe
acrobat reader
17.0 — 17.011.30188 · 20.0 — 20.001.300183
adobe
acrobat reader dc
≤ 20.013.20074

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.

addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References