CyberSecBulletin
CVE-2022-34661NVD status: Modified

Teamcenter V12.4: Loop with Unreachable Exit Condition

Published Updated By the CyberSecBulletin desk

CVE-2022-34661 is a high-severity loop with unreachable exit condition vulnerability in Teamcenter V12.4 from Siemens, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Teamcenter V12.4 versions: All versions < V12.4.0.15. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.76% chance of exploitation within 30 days, higher than 56% of scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Teamcenter to 12.4.0.15 or 13.0.0.10 or 13.1.0.10 or 13.2.0.9, whichever matches your release line, or a later version.
  2. Read the advisory on cert-portal.siemens.com for workarounds and exact fixed builds.
  3. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
SiemensTeamcenter V12.4All versions < V12.4.0.15Not stated
SiemensTeamcenter V13.0All versions < V13.0.0.10Not stated
SiemensTeamcenter V13.1All versions < V13.1.0.10Not stated
SiemensTeamcenter V13.2All versions < V13.2.0.9Not stated
SiemensTeamcenter V13.3All versions < V13.3.0.5Not stated
SiemensTeamcenter V14.0All versions < V14.0.0.2Not stated
SiemensTeamcenter12.4 up to, but not including, 12.4.0.15; 13.0 up to, but not including, 13.0.0.10; 13.1 up to, but not including, 13.1.0.10; 13.2 up to, but not including, 13.2.0.9; 13.3 up to, but not including, 13.3.0.5; 14.0 up to, but not including, 14.0.0.212.4.0.15, 13.0.0.10, 13.1.0.10, 13.2.0.9, 13.3.0.5, 14.0.0.2

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
NoneNo data is disclosed.
Integrity
NoneNothing can be modified.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.17.5HighNVD
CVSS 3.16.5MediumCISA (ADP)

Official description

A vulnerability has been identified in Teamcenter V12.4 (All versions < V12.4.0.15), Teamcenter V13.0 (All versions < V13.0.0.10), Teamcenter V13.1 (All versions < V13.1.0.10), Teamcenter V13.2 (All versions < V13.2.0.9), Teamcenter V13.3 (All versions < V13.3.0.5), Teamcenter V14.0 (All versions < V14.0.0.2). File Server Cache service in Teamcenter is vulnerable to denial of service by entering infinite loops and using up CPU cycles. This could allow an attacker to cause denial of service condition.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Loop with Unreachable Exit Condition

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

More Loop with Unreachable Exit Condition vulnerabilities (CWE-835)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Teamcenter V12.4

All Teamcenter V12.4 vulnerabilities

Recent Loop with Unreachable Exit Condition vulnerabilities

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