What is CVE-2021-43574?

CVE-2021-43574 is a medium-severity vulnerability in Atmail, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-11-15.

How severe is CVE-2021-43574?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-43574 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Atmail

CVE-2021-43574

WebAdmin Control Panel in Atmail 6.5.0 (a version released in 2012) allows XSS via the format parameter to the default URI. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.024 (82.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Atmail — versions 6.5.0
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-43574?: CVE-2021-43574 is a medium-severity vulnerability in Atmail, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-11-15.
How severe is CVE-2021-43574?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-43574 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.