VMware vCenter Server 6.5 PSC deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.06

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 application 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. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/31/2022).

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

Productinfo

Type

Vendor

Name

License

  • commercial

CPE 2.3info

CPE 2.2info

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

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 6.5 U3u

Timelineinfo

05/25/2022 CVE reserved
10/08/2022 +136 days Advisory disclosed
10/08/2022 +0 days VulDB entry created
10/31/2022 +23 days VulDB last update

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2022-0025
Status: Confirmed

CVE: CVE-2022-31680 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 10/08/2022 09:05 AM
Updated: 10/31/2022 10:45 AM
Changes: 10/08/2022 09:05 AM (43), 10/31/2022 10:45 AM (11)
Complete: 🔍

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