CVE-2021-21811
Last modified
CVE-2021-21811 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.14% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Att | Xmill | 0.7 |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1279Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1279Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21811?
How severe is CVE-2021-21811?
How do I fix CVE-2021-21811?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-21806An exploitable use-after-free vulnerability exists in WebKit…8.8
- CVE-2021-21807An integer overflow vulnerability exists in the DICOM parse_…9.8
- CVE-2021-21808A memory corruption vulnerability exists in the PNG png_pale…8.8
- CVE-2021-21809A command execution vulnerability exists in the default lega…9.1
- CVE-2021-2181Vulnerability in the Oracle Document Management and Collabor…7.6
- CVE-2021-21810A memory corruption vulnerability exists in the XML-parsing …9.8
- CVE-2021-21812A stack-based buffer overflow vulnerability exists in the co…7.8
- CVE-2021-21813Within the function HandleFileArg the argument filepattern i…7.8
- CVE-2021-21814Within the function HandleFileArg the argument filepattern i…7.8
- CVE-2021-21815A stack-based buffer overflow vulnerability exists in the co…7.8
- CVE-2021-21816An information disclosure vulnerability exists in the Syslog…4.3
- CVE-2021-21817An information disclosure vulnerability exists in the Zebra …7.5
Are you affected by CVE-2021-21811?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
