Cyber Resilience

CVE-2021-35525

Medium

Published: 28 June 2021

Published
28 June 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0061 70.4th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-35525 is a medium-severity an unspecified weakness vulnerability in Postsrsd Project Postsrsd. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 29.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

PostSRSd before 1.11 allows a denial of service (subprocess hang) if Postfix sends certain long data fields such as multiple concatenated email addresses. NOTE: the PostSRSd maintainer acknowledges "theoretically, this error should never occur ... I'm not sure if there's…

more

a reliable way to trigger this condition by an external attacker, but it is a security bug in PostSRSd nevertheless."

CWE(s)
NVD-CWE-noinfo

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

postsrsd project
postsrsd
≤ 1.11

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References