Siemens CPC80 Central Processing Communication HTTP Header null termination

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Siemens CPC80 Central Processing Communication and CPCI85 Central Processing Communication. Affected by this vulnerability is an unknown functionality of the component HTTP Header Handler. Performing a manipulation results in null termination. This vulnerability is known as CVE-2024-31484. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens CPC80 Central Processing Communication and CPCI85 Central Processing Communication (version now known). It has been classified as critical. This affects some unknown processing of the component HTTP Header Handler. The manipulation with an unknown input leads to a null termination vulnerability. CWE is classifying the issue as CWE-170. The product does not terminate or incorrectly terminates a string or array with a null character or equivalent terminator. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in CPC80 Central Processing/Communication (All versions < V16.41), CPCI85 Central Processing/Communication (All versions < V5.30). The affected device firmwares contain an improper null termination vulnerability while parsing a specific HTTP header. This could allow an attacker to execute code in the context of the current process or lead to denial of service condition.

The advisory is shared at cert-portal.siemens.com. This vulnerability is uniquely identified as CVE-2024-31484 since 04/04/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Null termination
CWE: CWE-170 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

04/04/2024 🔍
05/14/2024 +40 days 🔍
05/14/2024 +0 days 🔍
03/30/2025 +320 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-871704
Status: Confirmed

CVE: CVE-2024-31484 (🔍)
GCVE (CVE): GCVE-0-2024-31484
GCVE (VulDB): GCVE-100-264165
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/14/2024 14:02
Updated: 03/30/2025 13:08
Changes: 05/14/2024 14:02 (61), 06/12/2024 09:41 (1), 07/04/2024 20:23 (10), 03/30/2025 13:08 (4)
Complete: 🔍
Cache ID: 216::103

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