CyberSecBulletin
CVE-2024-38876NVD status: Modified

Omnivise T3000 Application Server R9.2: Files or Directories Accessible to External Parties

CVE-2024-38876 is a high-severity files or directories accessible to external parties vulnerability in Omnivise T3000 Application Server R9.2 from Siemens, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected Omnivise T3000 Application Server R9.2 versions: all versions. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.24% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of Omnivise T3000 Application Server R9.2 you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on cert-portal.siemens.com for workarounds and exact fixed builds.

Affected products and versions

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
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

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

Scoring systemScoreSeverityScored by
CVSS 4.08.5HighCNA (siemens.com)
CVSS 3.17.8HighCNA (siemens.com)
CVSS 3.17.8HighNVD

Official description

A vulnerability has been identified in Omnivise T3000 Application Server R9.2 (All versions), Omnivise T3000 Domain Controller R9.2 (All versions), Omnivise T3000 Product Data Management (PDM) R9.2 (All versions), Omnivise T3000 R8.2 SP3 (All versions), Omnivise T3000 R8.2 SP4 (All versions), Omnivise T3000 Terminal Server R9.2 (All versions), Omnivise T3000 Thin Client R9.2 (All versions), Omnivise T3000 Whitelisting Server R9.2 (All versions). The affected application regularly executes user modifiable code as a privileged user. This could allow a local authenticated attacker to execute arbitrary code with elevated privileges.

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

The underlying weakness: Files or Directories Accessible to External Parties

The product makes files or directories accessible to unauthorized actors, even though they should not be.

How developers prevent this class of flaw

  • When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to disable public access.

More Files or Directories Accessible to External Parties vulnerabilities (CWE-552)

Timeline

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

References

Other vulnerabilities in Omnivise T3000 Application Server R9.2

All Omnivise T3000 Application Server R9.2 vulnerabilities

Recent Files or Directories Accessible to External Parties vulnerabilities

Spotted an error? Tell us.