CVE-2021-27506

low-risk

Published 2021-03-19

The ClamAV Engine (version 0.103.1 and below) component embedded in Storsmshield Network Security (SNS) is subject to DoS in case of parsing of malformed png files. This affect Netasq versions 9.1.0 to 9.1.11 and SNS versions 1.0.0 to 4.2.0. This issue is fixed in SNS 3.7.19, 3.11.7 and 4.2.1.

Do I need to act?

0.27% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (3)

Netasq

Stormshield Network Security

Clamav

Affected Vendors

Clamav Stormshield Netasq Project

References (4)

Broken Link https://advisories.stormshield.eu/2021-003/

Vendor Advisory https://blog.clamav.net/2021/02/clamav-01031-patch-release.html

Broken Link https://advisories.stormshield.eu/2021-003/

Vendor Advisory https://blog.clamav.net/2021/02/clamav-01031-patch-release.html

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low-risk

Severity 18/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 9/34 · Low