CVE-2021-31292
HighPublic PoC
Published: 26 July 2021
Published
26 July 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0055
68.5th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-31292 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Debian Debian Linux. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 31.5% 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
- 🇪🇺 ENISA EUVD: EUVD-2021-0073
Vulnerability details
An integer overflow in CrwMap::encode0x1810 of Exiv2 0.27.3 allows attackers to trigger a heap-based buffer overflow and cause a denial of service (DOS) via crafted metadata.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
exiv2
exiv2
0.27.3
debian
debian linux
10.0, 9.0
fedoraproject
fedora
33, 34
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.