How severe is CVE-2021-25271?

CVE-2021-25271 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-25271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25271?

CVE-2021-25271 affects Sophos Hitmanpro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25271?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-25271 published?

CVE-2021-25271 was published on 2021-10-08 and last updated on 2026-06-17.

CVE-2021-25271

CVE-2021-25271 is a medium-severity vulnerability in Sophos Hitmanpro with a CVSS 3.x base score of 6.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
CVSS v2: 3.6
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sophos Hitmanpro
Published: 2021-10-08
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2021-25271?: A local attacker could read or write arbitrary files with administrator privileges in HitmanPro before version Build 318.
How severe is CVE-2021-25271?: CVE-2021-25271 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-25271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25271?: CVE-2021-25271 affects Sophos Hitmanpro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25271?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25271 published?: CVE-2021-25271 was published on 2021-10-08 and last updated on 2026-06-17.

References

https://www.sophos.com/en-us/security-advisories/sophos-sa-20211007-hmp-lpe

Affected products (1)

cpe:2.3:a:sophos:hitmanpro:*:*:*:*:*:*:*:*

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