SolarWinds Serv-U before 15.2.2 allows Authenticated Directory Traversal.

published 2021-02-03 5y ago modified 2026-06-17 4mo ago also EUVD-2020-20486

cvss: 6.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.0%; EPSS 4.0% chance of exploitation in 30 days, percentile 90%
public exploits: 0; none known

Patch / fix

fixed in 1

solarwinds serv-u 15.2.2

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Exploit prediction

3.97% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

seclists.org http://seclists.org/fulldisclosure/2021/Feb/36 referenced PoC, tagged "exploit" by a source, unverified
packetstormsecurity.com http://packetstormsecurity.com/files/161399/SolarWinds-Serv-U-FTP-Server-15.2.1-Path-Traversal.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

seclists.org /fulldisclosure/2021/Feb/36
mailing-list, exploit, third-party-advisory
packetstormsecurity.com /files/161399/SolarWinds-Serv-U-FTP-Server-15.2.1-Path-Traversal.html
exploit, third-party-advisory, vdb-entry
documentation.solarwinds.com /en/success_center/servu/Content/Release_Notes/Servu_15-2-2_release_notes.htm
release-notes, vendor-advisory
themissinglink.com.au /security-advisories-cve-2020-27994
third-party-advisory

Sources

CVE List CVE-2020-27994
NVD CVE-2020-27994

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