PTC Kepware KEPServerEX OPC UA Message stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in PTC Kepware KEPServerEX. The impacted element is an unknown function of the component OPC UA Message Handler. This manipulation causes stack-based overflow. This vulnerability appears as CVE-2022-2825. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in PTC Kepware KEPServerEX (the affected version is unknown). It has been declared as critical. Affected by this vulnerability is an unknown code of the component OPC UA Message Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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 stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-18411.

The weakness was presented 09/10/2022 as icsa-22-242-10. It is possible to read the advisory at cisa.gov. This vulnerability is known as CVE-2022-2825. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-35061). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.9

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/15/2022 🔍
09/10/2022 +26 days 🔍
09/10/2022 +0 days 🔍
05/27/2026 +1355 days 🔍

Sourcesinfo

Advisory: icsa-22-242-10
Status: Confirmed

CVE: CVE-2022-2825 (🔍)
GCVE (CVE): GCVE-0-2022-2825
GCVE (VulDB): GCVE-100-208303
EUVD: 🔍

Entryinfo

Created: 09/10/2022 21:57
Updated: 05/27/2026 12:36
Changes: 09/10/2022 21:57 (37), 10/15/2022 11:13 (1), 02/18/2025 18:34 (35), 05/27/2026 12:36 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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