A memory corruption vulnerability exists in the XML-parsing CreateLabelOrAttrib functionality of AT&T Labs’ Xmill 0.7. A specially crafted XML file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Published 2021-08-31 17:15:08
Updated 2022-07-21 11:40:47
Source Talos
View at NVD,   CVE.org
Vulnerability category: OverflowMemory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2021-21811

0.35%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21811

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
8.1
HIGH CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
2.2
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-2021-21811

  • The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
    Assigned by:
    • nvd@nist.gov (Primary)
    • talos-cna@cisco.com (Secondary)

References for CVE-2021-21811

Products affected by CVE-2021-21811

This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!