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CVE-2023-38994

HIGH
7.8
CVSS Score
Published: October 31, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:11 AM UTC
1 product affected across 1 vendorUnivention Corporate Server

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%

Description

The 'check_univention_joinstatus' prometheus monitoring script (and other scripts) in UCS 5.0-5 revealed the LDAP plaintext password of the machine account in the process list allowing attackers with local ssh access to gain higher privileges and perform followup attacks. By default, the configuration of UCS does not allow local ssh access for regular users.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Issue TrackingVendor Advisory
Source: [email protected]
https://forge.univention.org/bugzilla/show_bug.cgi?id=56324
Issue TrackingVendor Advisory
Source: [email protected]
https://forge.univention.org/bugzilla/show_bug.cgi?id=56324#c0
Source: [email protected]
https://raeph123.github.io/BlogPosts/Univention/Simple_yet_effective_The_story_of_some_simple_bugs_that_led_to_the_complete_compromise_of_a_network_en.html
ExploitTechnical DescriptionThird Party Advisory
Source: [email protected]
https://www.drive-byte.de/en/blog/simple-yet-effective-the-story-of-some-simple-bugs-that-led-to-the-complete-compromise-of-a-network

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-668

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