VDB-248701 · CVE-2023-5594 · GCVE-0-2023-5594

ESET NOD32 Antivirus prior 1464 certificate validation

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in ESET NOD32 Antivirus, Internet Security, Smart Security Premium, Security Ultimate, Endpoint Antivirus, Endpoint Security, Endpoint Antivirus for Linux, Server Security for Windows Server, Mail Security for Microsoft Exchange Server, Mail Security for IBM Domino, Security for Microsoft SharePoint Server, File Security for Microsoft Azure and Server Security for Linux. It has been classified as critical. This affects an unknown part. This manipulation causes certificate validation. This vulnerability is handled as CVE-2023-5594. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in ESET NOD32 Antivirus, Internet Security, Smart Security Premium, Security Ultimate, Endpoint Antivirus, Endpoint Security, Endpoint Antivirus for Linux, Server Security for Windows Server, Mail Security for Microsoft Exchange Server, Mail Security for IBM Domino, Security for Microsoft SharePoint Server, File Security for Microsoft Azure and Server Security for Linux (Groupware Software) and classified as problematic. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect integrity. The summary by CVE is:

Improper validation of the server’s certificate chain in secure traffic scanning feature considered intermediate certificate signed using the MD5 or SHA1 algorithm as trusted.

The weakness was released 12/21/2023. The advisory is shared at support.eset.com. This vulnerability is known as CVE-2023-5594 since 10/16/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

Upgrading to version 1464 eliminates this vulnerability.

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Productinfo

Type

Groupware Software

Vendor

ESET

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.6
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (ESET): 🔍

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: Certificate validation
CWE: CWE-295 / CWE-287
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NOD32 Antivirus/Internet Security/Smart Security Premium/Security Ultimate/Endpoint Antivirus/Endpoint Security/Endpoint Antivirus for Linux/Server Security for Windows Server/Mail Security for Microsoft Exchange Server/Mail Security for IBM Domino/Security for Microsoft SharePoint Server/File Security for Microsoft Azure/Server Security for Linux 1464

Timelineinfo

10/16/2023 🔍
12/21/2023 +66 days 🔍
12/21/2023 +0 days 🔍
01/14/2024 +24 days 🔍

Sourcesinfo

Advisory: support.eset.com
Status: Confirmed

CVE: CVE-2023-5594 (🔍)
GCVE (CVE): GCVE-0-2023-5594
GCVE (VulDB): GCVE-100-248701

Entryinfo

Created: 12/21/2023 13:16
Updated: 01/14/2024 10:12
Changes: 12/21/2023 13:16 (48), 01/14/2024 10:12 (12)
Complete: 🔍
Cache ID: 216::103