CVE-2023-2991

Fortra Globalscape Administration Server Information Disclosure

5.3 Medium

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.64%Up 0.6 points since Jun 23, 2023

What each source reports

NVD Score used 5.3

Record: CVE-2023-2991
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

CVE List No score

Fortra Globalscape Administration Server Information Disclosure

Record: CVE-2023-2991
Weakness: CWE-200
Updated: 2026-11-02

EUVDEUVD-2023-34427 0.0

Record: EUVD-2023-34427
CVSS: 0.0 NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-36c8-63rj-g7xv 5.3

Fortra Globalscape EFT's administration server suffers from an information disclosure...

Record: GHSA-36c8-63rj-g7xv
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-2991 is a medium vulnerability (CVSS 5.3) in Fortra Globalscape Eft, published June 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 50th percentile. No source names a fixed version.