PTC Kepware KEPServerEX OPC UA Message stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in PTC Kepware KEPServerEX. Affected by this issue is some unknown functionality of the component OPC UA Message Handler. Such manipulation leads to stack-based overflow. This vulnerability is listed as CVE-2020-27265. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in PTC Kepware KEPServerEX (the affected version unknown) and classified as critical. Affected by this issue is an unknown part of the component OPC UA Message Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability.

The weakness was presented 01/14/2021 as icsa-20-352-02. The advisory is shared for download at us-cert.cisa.gov. This vulnerability is handled as CVE-2020-27265. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/19/2020 🔍
01/14/2021 +87 days 🔍
01/14/2021 +0 days 🔍
02/13/2021 +30 days 🔍

Sourcesinfo

Advisory: icsa-20-352-02
Status: Not defined

CVE: CVE-2020-27265 (🔍)
GCVE (CVE): GCVE-0-2020-27265
GCVE (VulDB): GCVE-100-167828

Entryinfo

Created: 01/14/2021 08:21
Updated: 02/13/2021 10:15
Changes: 01/14/2021 08:21 (36), 02/13/2021 10:09 (2), 02/13/2021 10:15 (18)
Complete: 🔍
Cache ID: 216::103

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