Fortra Globalscape Administration Server Information Disclosure

published 2023-06-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34427

cvss: 5.3; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

Fortra Globalscape EFT's administration server suffers from an information disclosure vulnerability where the serial number of the harddrive that Globalscape is installed on can be remotely determined via a "trial extension request" message

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 23 mo ago (2024-12-06)

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

rapid7.com https://www.rapid7.com/blog/post/2023/06/22/multiple-vulnerabilities-in-fortra-globalscape-eft-administration-server-fixed/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

Fortra Globalscape EFT

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

rapid7.com /blog/post/2023/06/22/multiple-vulnerabilities-in-fortra-globalscape-eft-administration-server-fixed/
exploit, third-party-advisory
kb.globalscape.com /Knowledgebase/11589/Is-EFT-susceptible-to-the-Remotely-obtain-HDD-serial-number-vulnerability
vendor-advisory

Sources

CVE List CVE-2023-2991
NVD CVE-2023-2991

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