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CVE-2023-38994

22
FAUCET Score

CVE-2023-38994 is a high-severity vulnerability affecting Univention Corporate Server (UCS) 5.0-5, where the 'check_univention_joinstatus' Prometheus monitoring script exposes the LDAP plaintext password in the process list. This allows an attacker with local SSH access to escalate privileges and conduct further attacks. While local SSH access for regular users is not enabled by default, successful exploitation could lead to high impact on confidentiality, integrity, and availability. There is currently no public exploit code, active exploitation, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.0CPE matchmatch criteria
cpe:2.3:o:univention:univention_corporate_server:5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.9HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.5
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 66th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

forge.univention.org / bugzilla/show_bug.cgi
Issue TrackingVendor Advisory
forge.univention.org / bugzilla/show_bug.cgi
Issue TrackingVendor Advisory
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
drive-byte.de / en/blog/simple-yet-effective-the-story-of-some-simple-bugs-that-led-to-the-complete-compromise-of-a-network
ExploitTechnical DescriptionThird Party Advisory