How severe is CVE-2023-2991?

CVE-2023-2991 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-2991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2991?

CVE-2023-2991 affects Globalscape Eft Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2991?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-2991 published?

CVE-2023-2991 was published on 2023-06-22 and last updated on 2026-06-17.

CVE-2023-2991

CVE-2023-2991 is a medium-severity vulnerability in Globalscape Eft Server with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Globalscape Eft Server
Published: 2023-06-22
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-2991?: 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
How severe is CVE-2023-2991?: CVE-2023-2991 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-2991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2991?: CVE-2023-2991 affects Globalscape Eft Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2991?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2991 published?: CVE-2023-2991 was published on 2023-06-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:globalscape:eft_server:*:*:*:*:*:*:*:*

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