Vulnerability · Published Apr 14, 2022 · Assigned by talos
CVE-2021-21949
Critical 9.8
In plain English
A critical-severity security flaw in ImageGear from Accusoft. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).
Severity (CVSS 3.0)9.8Critical
Exploit odds (30 days)1.1%top 34.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An improper array index validation vulnerability exists in the JPEG-JFIF Scan header parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to an out-of-bounds write and potential code exectuion. An attacker can provide a malicious file to trigger this vulnerability.
Affected products (as reported)
Weakness: CWE-129 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1377 x_refsource_MISC