CVE-2021-21829
CVSS v3
9.8
CRITICAL
EPSS Score
2.3 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A heap-based buffer overflow vulnerability exists in the XML Decompression EnumerationUncompressor::UncompressItem functionality of AT&T Labs’ Xmill 0.7. A specially crafted XMI file can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.
Technical details
- Published
- 2021-08-13
Frequently asked questions
What is CVE-2021-21829?
A heap-based buffer overflow vulnerability exists in the XML Decompression EnumerationUncompressor::UncompressItem functionality of AT&T Labs’ Xmill 0.7. A specially crafted XMI file can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.
Is CVE-2021-21829 actively exploited?
Active exploitation of CVE-2021-21829 has not been confirmed. The EPSS score is 2.3%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-21829?
CVE-2021-21829 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-21829 affecting your environment?
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