VDB-210332 · CVE-2022-31680 · VMSA-2022-0025

VMware vCenter Server 6.5 PSC deserialization

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.
8.0	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in VMware vCenter Server 6.5. Affected by this issue is some unknown functionality of the component PSC. Such manipulation leads to deserialization. This vulnerability is uniquely identified as CVE-2022-31680. The attack can be launched remotely. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in VMware vCenter Server 6.5 (Server Management Software). Affected by this issue is an unknown part of the component PSC. The manipulation with an unknown input leads to a deserialization vulnerability. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The vCenter Server contains an unsafe deserialisation vulnerability in the PSC (Platform services controller). A malicious actor with admin access on vCenter server may exploit this issue to execute arbitrary code on the underlying operating system that hosts the vCenter Server.

The weakness was disclosed 10/08/2022 as VMSA-2022-0025. The advisory is shared for download at vmware.com. This vulnerability is handled as CVE-2022-31680 since 05/25/2022. There are neither technical details nor an exploit publicly available.

Applying the patch 6.5 U3u is able to eliminate this problem. The bugfix is ready for download at docs.vmware.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Server Management Software

Vendor

VMware

Name

vCenter Server

Version

License

commercial

Website

Vendor: https://www.vmware.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.2
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

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: Deserialization
CWE: CWE-502 / CWE-20
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 6.5 U3u

Timelineinfo

05/25/2022 🔍
10/08/2022 +136 days 🔍
10/08/2022 +0 days 🔍
10/31/2022 +23 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2022-0025
Status: Confirmed

CVE: CVE-2022-31680 (🔍)
GCVE (CVE): GCVE-0-2022-31680
GCVE (VulDB): GCVE-100-210332
scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 10/08/2022 09:05
Updated: 10/31/2022 10:45
Changes: 10/08/2022 09:05 (43), 10/31/2022 10:45 (11)
Complete: 🔍
Cache ID: 216::103