How severe is CVE-2023-27998?

CVE-2023-27998 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-2023-27998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27998?

CVE-2023-27998 primarily affects Fortinet Fortipresence. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-27998?

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

When was CVE-2023-27998 published?

CVE-2023-27998 was published on 2023-09-13 and last updated on 2026-06-17.

CVE-2023-27998

CVE-2023-27998 is a medium-severity vulnerability in Fortinet Fortipresence 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-755.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-755
Affected product: Fortinet Fortipresence
Published: 2023-09-13
Last modified: 2026-06-17

Description

A lack of custom error pages vulnerability [CWE-756] in FortiPresence versions 1.2.0 through 1.2.1 and all versions of 1.1 and 1.0 may allow an unauthenticated attacker with the ability to navigate to the login GUI to gain sensitive information via navigating to specific HTTP(s) paths.

Frequently asked questions

What is CVE-2023-27998?: A lack of custom error pages vulnerability [CWE-756] in FortiPresence versions 1.2.0 through 1.2.1 and all versions of 1.1 and 1.0 may allow an unauthenticated attacker with the ability to navigate to the login GUI to gain sensitive information via navigating to specific HTTP(s) paths.
How severe is CVE-2023-27998?: CVE-2023-27998 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-2023-27998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27998?: CVE-2023-27998 primarily affects Fortinet Fortipresence. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-27998?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27998 published?: CVE-2023-27998 was published on 2023-09-13 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-288

Affected products (5)

cpe:2.3:a:fortinet:fortipresence:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortipresence:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortipresence:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortipresence:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortipresence:1.2.1:*:*:*:*:*:*:*

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