What is CVE-2021-21815?

CVE-2021-21815 is a high-severity vulnerability in Att Xmill, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-08-13.

How severe is CVE-2021-21815?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Att Xmill

CVE-2021-21815

A stack-based buffer overflow vulnerability exists in the command-line-parsing HandleFileArg functionality of AT&T Labs' Xmill 0.7. Within the function HandleFileArg the argument filepattern is under control of the user who passes it in fr…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (25.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Att Xmill — versions 0.7
N/a At&t — versions AT&T Labs Xmill 0.7

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-21815?: CVE-2021-21815 is a high-severity vulnerability in Att Xmill, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-08-13.
How severe is CVE-2021-21815?: High severity. CVSS v3 base score is 7.8 out of 10.