SolarWinds Serv-U Exposure of Sensitive Information Vulnerability

published 2023-06-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27927

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

SolarWinds Serv-U is submitting an HTTP request when changing or updating the attributes for File Share or File request.  Part of the URL of the request discloses sensitive data.

Patch / fix

fixed in 1

solarwinds serv-u 15.4

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 22 mo ago (2024-12-12)

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

SolarWinds ServU

Classification

Weakness

CWE-319 Cleartext Transmission of Sensitive Information

References

solarwinds.com /trust-center/security-advisories/CVE-2023-23841
vendor-advisory
documentation.solarwinds.com /en/success_center/servu/content/release_notes/serv-u_15-4_release_notes.htm
release-notes

Sources

CVE List CVE-2023-23841
NVD CVE-2023-23841

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary