Siemens Nucleus NET FTP Server resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Siemens Nucleus NET, Nucleus ReadyStart V3 and Nucleus Source Code. Affected by this issue is some unknown functionality of the component FTP Server. The manipulation results in resource consumption. This vulnerability is known as CVE-2022-38371. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in Siemens Nucleus NET, Nucleus ReadyStart V3 and Nucleus Source Code (version unknown). Affected is an unknown function of the component FTP Server. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. CVE summarizes:

A vulnerability has been identified in Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions), Nucleus Source Code (Versions including affected FTP server). The FTP server does not properly release memory resources that were reserved for incomplete connection attempts by FTP clients. This could allow a remote attacker to generate a denial of service condition on devices that incorporate a vulnerable version of the FTP server.

The weakness was published 10/11/2022 as ssa-313313. The advisory is shared for download at cert-portal.siemens.com. This vulnerability is traded as CVE-2022-38371 since 08/16/2022. 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 04/08/2025). 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / 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

08/16/2022 🔍
10/11/2022 +56 days 🔍
10/11/2022 +0 days 🔍
04/08/2025 +910 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-313313
Status: Confirmed

CVE: CVE-2022-38371 (🔍)
GCVE (CVE): GCVE-0-2022-38371
GCVE (VulDB): GCVE-100-210420

Entryinfo

Created: 10/11/2022 16:04
Updated: 04/08/2025 11:30
Changes: 10/11/2022 16:04 (38), 04/08/2025 11:30 (47)
Complete: 🔍
Cache ID: 216::103

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