What is CVE-2021-27233?

CVE-2021-27233 is a medium-severity vulnerability in Mutare Voice, classified under Cleartext Storage of Sensitive Information. CVSS score: 4.9/10. Published 2021-02-16.

How severe is CVE-2021-27233?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Mutare Voice

CVE-2021-27233

An issue was discovered in Mutare Voice (EVM) 3.x before 3.3.8. On the admin portal of the web application, password information for external systems is visible in cleartext. The Settings.asp page is affected by this issue.

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

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Mutare Voice

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

www.mutare.com/security-adv-mutare-2021-004-mutare-voice/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-27233?: CVE-2021-27233 is a medium-severity vulnerability in Mutare Voice, classified under Cleartext Storage of Sensitive Information. CVSS score: 4.9/10. Published 2021-02-16.
How severe is CVE-2021-27233?: Medium severity. CVSS v3 base score is 4.9 out of 10.