Vulnerability Details : CVE-2021-21821
A stack-based buffer overflow vulnerability exists in the PDF process_fontname functionality of Accusoft ImageGear 19.9. A specially crafted malformed file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-21821
- cpe:2.3:a:accusoft:imagegear:19.9:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21821
0.57%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21821
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
Talos | |
|
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
|
NIST |
CWE ids for CVE-2021-21821
-
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: 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 (Primary)
References for CVE-2021-21821
-
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1286
TALOS-2021-1286 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceExploit;Third Party Advisory
Jump to