What is CVE-2021-27236?

CVE-2021-27236 is a critical-severity vulnerability in Mutare Voice, classified under Exposure of Resource to Wrong Sphere. CVSS score: 9.8/10. Published 2021-02-16.

How severe is CVE-2021-27236?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Mutare Voice

CVE-2021-27236

An issue was discovered in Mutare Voice (EVM) 3.x before 3.3.8. getfile.asp allows Unauthenticated Local File Inclusion, which can be leveraged to achieve Remote Code Execution.

Published 2021-02-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.3th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: +0.001

Affected products

Mutare Voice

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

www.mutare.com/security-adv-mutare-2021-001-mutare-voice/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-27236?: CVE-2021-27236 is a critical-severity vulnerability in Mutare Voice, classified under Exposure of Resource to Wrong Sphere. CVSS score: 9.8/10. Published 2021-02-16.
How severe is CVE-2021-27236?: Critical severity. CVSS v3 base score is 9.8 out of 10.