SNS : ClamAV Multiple Vulnerabilities

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2022-017 CVE-2022-20770 , CVE-2022-20771 , CVE-2022-20785 , CVE-2022-20792 , CVE-2022-20796 , CVE-2022-20803 05/13/2022 medium v1

Vulnerability details

Fixes multiple vulnerabilities for ClamAV.

Impacted products

Stormshield Network Security medium SNS is impacted


Version Date Description
v1  07/26/2022 Initial release


Stormshield Network Security

CVSS v3.1 Overall Score: 5.5      


Impacted version

The parsing of specially forged file can lead to a crash of ClamAV services.

  • SNS 2.7.0 to 3.7.29
  • SNS 3.11.0 to 3.11.17
  • SNS 4.2.0 to 4.2.13
  • SNS 4.3.0 to 4.3.9
  • SNS 4.4.0 to 4.5.1

Workaround solution


Disable ClamAV services or use Kaspersky services

The following versions fix this vulnerability

  • 3.7.30
  • 3.11.18
  • 4.2.14
  • 4.3.10
  • 4.5.2

Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Network Low None None Unchanged None None Low
CVSS Base score: 5.3 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploit Code Maturity Remediation Level Report Confidence
Proof of concept code Official fix Confirmed
CVSS Temporal score: 4.8 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C)
Confidentiality Requirement Integrity Requirement Availability Requirement
High High High
CVSS Environmental score: 5.5 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C/CR:H/IR:H/AR:H/MAV:X/MAC:X/MPR:X/MUI:X/MS:X/MC:X/MI:X/MA:X)