Vulnerability · Published Mar 29, 2023 · Assigned by zdi

CVE-2022-2848

Critical 9.1

In plain English

A critical-severity heap buffer overflow in KEPServerEX from Kepware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities).

Severity (CVSS 3.0)9.1Critical
Exploit odds (30 days)3.4%top 11.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kepware KEPServerEX 6.11.718.0. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of text encoding conversions. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-16486.

Affected products (as reported)

VendorProductVersions
Kepware KEPServerEX 6.11.718.0

Weakness: CWE-122 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References