HOMEVULNERABILITIESCVE-2023-38994
HIGH

CVE-2023-38994

CWE-668Published: October 31, 2023· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-38994 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

univention1 product(s)
univention corporate server
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://forge.univention.org/bugzilla/show_bug.cgi?id=56324
ADVISORYhttps://forge.univention.org/bugzilla/show_bug.cgi?id=56324#c0
ADVISORYhttps://www.drive-byte.de/en/blog/simple-yet-effective-the-story-of-some-simple-bugs-that-led-to-the-complete-compromise-of-a-network
ADVISORYhttps://forge.univention.org/bugzilla/show_bug.cgi?id=56324
ADVISORYhttps://forge.univention.org/bugzilla/show_bug.cgi?id=56324#c0
ADVISORYhttps://www.drive-byte.de/en/blog/simple-yet-effective-the-story-of-some-simple-bugs-that-led-to-the-complete-compromise-of-a-network

All References (7)

→
https://forge.univention.org/bugzilla/show_bug.cgi?id=56324Issue Tracking · Vendor Advisory
→
https://forge.univention.org/bugzilla/show_bug.cgi?id=56324#c0Issue Tracking · Vendor Advisory
→
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
→
https://www.drive-byte.de/en/blog/simple-yet-effective-the-story-of-some-simple-bugs-that-led-to-the-complete-compromise-of-a-networkExploit · Technical Description · Third Party Advisory
→
https://forge.univention.org/bugzilla/show_bug.cgi?id=56324Issue Tracking · Vendor Advisory
→
https://forge.univention.org/bugzilla/show_bug.cgi?id=56324#c0Issue Tracking · Vendor Advisory
→
https://www.drive-byte.de/en/blog/simple-yet-effective-the-story-of-some-simple-bugs-that-led-to-the-complete-compromise-of-a-networkExploit · Technical Description · Third Party Advisory

Quick Facts

CVE IDCVE-2023-38994
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-668
CISA KEVNo
Affected1 vendor(s)
PublishedOct 31, 2023

Related CVEs (CWE-668)

CVE-2019-8779
10.0
CVE-2012-1846
10.0
CVE-2019-16541
9.9
CVE-2022-1467
9.9
CVE-2018-18068
9.8
CVE-2017-18129
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-38994 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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