Vulnerability Details : CVE-2021-21938
Potential exploit
A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
Vulnerability category: Overflow
Products affected by CVE-2021-21938
- cpe:2.3:a:accusoft:imagegear:19.10:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21938
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21938
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
Talos |
CWE ids for CVE-2021-21938
-
A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.Assigned by:
- nvd@nist.gov (Primary)
- talos-cna@cisco.com (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Secondary)
References for CVE-2021-21938
-
http://help.accusoft.com/ImageGear/v20.0/Windows/DLL/webframe.html
ImageGear for C and C++ on Windows v20.0 - User GuideProduct
-
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1367
TALOS-2021-1367 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceExploit;Third Party Advisory
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