PT-2022-10155 · Unknown · In-Sight Opc Server

Amir Preminger · Published 2022-05-23 · Updated 2022-06-07 · CVE-2021-32935

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions In-Sight OPC Server versions v5.7.4 and prior

Description The issue allows a remote attacker to access system level permission commands and potentially achieve local privilege escalation due to the deserialization of untrusted data.

Recommendations For In-Sight OPC Server versions v5.7.4 and prior, update to a version that addresses the deserialization of untrusted data to prevent remote attackers from accessing system level permission commands. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2021-32935

Affected Products

In-Sight Opc Server

References · 5

• https://osv.dev/vulnerability/CVE-2021-32935 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32935 · Security Note
• https://cisa.gov/uscert/ics/advisories/icsa-21-224-01 · Note
• https://t.me/cibsecurity/43187 · Telegram Post
• https://t.me/cvenotify/30595 · Telegram Post