PTC Kepware KEPServerEX OPC UA Message use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in PTC Kepware KEPServerEX. This affects an unknown part of the component OPC UA Message Handler. Performing a manipulation results in use after free. This vulnerability is cataloged as CVE-2020-27267. There is no exploit available.

Detailsinfo

A vulnerability was found in PTC Kepware KEPServerEX (the affected version is unknown). It has been classified as problematic. This affects an unknown code of the component OPC UA Message Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability.

The weakness was shared 01/14/2021 as icsa-20-352-02. The advisory is shared at us-cert.cisa.gov. This vulnerability is uniquely identified as CVE-2020-27267. Neither technical details nor an exploit are publicly available.

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

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
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: Use after free
CWE: CWE-416 / 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-2020-27267 (🔍)
GCVE (CVE): GCVE-0-2020-27267
GCVE (VulDB): GCVE-100-167829

Entryinfo

Created: 01/14/2021 08:22
Updated: 02/13/2021 10:26
Changes: 01/14/2021 08:22 (36), 02/13/2021 10:20 (2), 02/13/2021 10:26 (18)
Complete: 🔍
Cache ID: 216::103

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