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TI-2021-08991 Aliases CVE-2021-27506GHSA-rfvf-cm38-cvx4

The ClamAV Engine (version 0.103.1 and below) component embedded in Storsmshield Network…

Priority LOW 27Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01312 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:netasq_project:netasq:*:*:*:*:*:*:*:*9.1.0 – 9.1.11VulnerableNetasq Project
cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:*1.0 – 4.2.0VulnerableStormshield
cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*up to 0.103.1VulnerableClamAV
  • cpe:2.3:a:netasq_project:netasq:*:*:*:*:*:*:*:* Versions 9.1.0 – 9.1.11 Vulnerable ·Netasq Project
  • cpe:2.3:a:stormshield:stormshield_network_security:*:*:*:*:*:*:*:* Versions 1.0 – 4.2.0 Vulnerable ·Stormshield
  • cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* Versions up to 0.103.1 Vulnerable ·ClamAV

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27506
  2. 2026-10-03 Alias added: GHSA-rfvf-cm38-cvx4

References

Sources