What is CVE-2021-25271?

CVE-2021-25271 is a medium-severity vulnerability in Sophos Hitmanpro. CVSS score: 6.0/10. Published 2021-10-08.

How severe is CVE-2021-25271?

Medium severity. CVSS v3 base score is 6.0 out of 10.

Vulnerability in Sophos Hitmanpro

CVE-2021-25271

A local attacker could read or write arbitrary files with administrator privileges in HitmanPro before version Build 318.

Published 2021-10-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (12.5th percentile), scored 2026-10-06.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Sophos Hitmanpro — versions unspecified

References

www.sophos.com/en-us/security-advisories/sophos-sa-20211007-hmp-lpe (Vendor Advisory)

Frequently asked questions

What is CVE-2021-25271?: CVE-2021-25271 is a medium-severity vulnerability in Sophos Hitmanpro. CVSS score: 6.0/10. Published 2021-10-08.
How severe is CVE-2021-25271?: Medium severity. CVSS v3 base score is 6.0 out of 10.