Siemens SIMATIC S7-PLCSIM 5.4 infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Siemens SIMATIC S7-PLCSIM 5.4. It has been classified as problematic. This vulnerability affects unknown code. This manipulation causes infinite loop. This vulnerability is registered as CVE-2021-25673. No exploit is available.

Detailsinfo

A vulnerability was found in Siemens SIMATIC S7-PLCSIM 5.4 (SCADA Software). It has been declared as problematic. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability.

The weakness was published 03/16/2021 as ssa-256092. It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is known as CVE-2021-25673. The technical details are unknown and an exploit is not publicly available.

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

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

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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

01/21/2021 🔍
03/16/2021 +54 days 🔍
03/16/2021 +0 days 🔍
04/01/2021 +16 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-256092
Status: Confirmed

CVE: CVE-2021-25673 (🔍)
GCVE (CVE): GCVE-0-2021-25673
GCVE (VulDB): GCVE-100-171295

Entryinfo

Created: 03/16/2021 10:48
Updated: 04/01/2021 18:20
Changes: 03/16/2021 10:48 (37), 04/01/2021 18:13 (2), 04/01/2021 18:20 (18)
Complete: 🔍
Cache ID: 216::103

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