Siemens SIMATIC PC-Station Plus recursion

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Siemens SIMATIC PC-Station Plus, SIMATIC S7-400 CPU 412-2 PN V7, SIMATIC S7-400 CPU 414-3 PN, DP V7, SIMATIC S7-400 CPU 414F-3 PN, SIMATIC S7-400 CPU 416-3 PN, SIMATIC S7-400 CPU 416F-3 PN, SINAMICS S120 (incl. SIPLUS variants), SIPLUS S7-400 CPU 414-3 PN and SIPLUS S7-400 CPU 416-3 PN. This vulnerability affects unknown code. The manipulation results in recursion. This vulnerability is identified as CVE-2022-47374. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Siemens SIMATIC PC-Station Plus, SIMATIC S7-400 CPU 412-2 PN V7, SIMATIC S7-400 CPU 414-3 PN, DP V7, SIMATIC S7-400 CPU 414F-3 PN, SIMATIC S7-400 CPU 416-3 PN, SIMATIC S7-400 CPU 416F-3 PN, SINAMICS S120 (incl. SIPLUS variants), SIPLUS S7-400 CPU 414-3 PN and SIPLUS S7-400 CPU 416-3 PN (SCADA Software). Affected is some unknown functionality. The manipulation with an unknown input leads to a recursion vulnerability. CWE is classifying the issue as CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. This is going to have an impact on availability. CVE summarizes:

A vulnerability has been identified in SIMATIC PC-Station Plus (All versions), SIMATIC S7-400 CPU 412-2 PN V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions), SINAMICS S120 (incl. SIPLUS variants) (All versions < V5.2 SP3 HF15), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions). The affected products do not handle HTTP(S) requests to the web server correctly. This could allow an attacker to exhaust system resources and create a denial of service condition for the device.

The weakness was released 12/12/2023 as ssa-892915. The advisory is shared for download at cert-portal.siemens.com. This vulnerability is traded as CVE-2022-47374 since 12/13/2022. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/12/2023). The MITRE ATT&CK project declares the attack technique as T1499.

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

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Siemens AG): 🔍

CVSSv2info

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

Exploitinginfo

Class: Recursion
CWE: CWE-674 / CWE-404
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

12/13/2022 🔍
12/12/2023 +364 days 🔍
12/12/2023 +0 days 🔍
12/12/2023 +0 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-892915
Status: Confirmed

CVE: CVE-2022-47374 (🔍)
GCVE (CVE): GCVE-0-2022-47374
GCVE (VulDB): GCVE-100-247536

Entryinfo

Created: 12/12/2023 13:25
Changes: 12/12/2023 13:25 (47)
Complete: 🔍
Cache ID: 216::103

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