VDB-237373 · CVE-2023-20197 · Nessus 214890

ClamAV Antivirus HFS+ File Scanning denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in ClamAV Antivirus and classified as problematic. This issue affects some unknown processing of the component HFS+ File Scanning. This manipulation causes denial of service. This vulnerability appears as CVE-2023-20197. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in ClamAV Antivirus (Anti-Malware Software) (the affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown part of the component HFS+ File Scanning. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was presented 08/16/2023 as cisco-sa-clamav-rNwNEEee. The advisory is shared at sec.cloudapps.cisco.com. This vulnerability is known as CVE-2023-20197 since 10/27/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 214890 (SUSE SLES12 Security Update : clamav (SUSE-SU-2025:0328-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (214890). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Anti-Malware Software

Vendor

ClamAV

Name

Antivirus

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 214890
Nessus Name: SUSE SLES12 Security Update : clamav (SUSE-SU-2025:0328-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
08/16/2023 +293 days 🔍
08/16/2023 +0 days 🔍
02/04/2025 +538 days 🔍

Sourcesinfo

Advisory: cisco-sa-clamav-rNwNEEee
Status: Confirmed

CVE: CVE-2023-20197 (🔍)
GCVE (CVE): GCVE-0-2023-20197
GCVE (VulDB): GCVE-100-237373

Entryinfo

Created: 08/16/2023 22:58
Updated: 02/04/2025 01:40
Changes: 08/16/2023 22:58 (39), 09/10/2023 19:00 (1), 09/10/2023 19:08 (11), 02/04/2025 01:40 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.