How severe is CVE-2021-24005?

CVE-2021-24005 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-24005 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24005?

CVE-2021-24005 affects Fortinet Fortiauthenticator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24005?

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

When was CVE-2021-24005 published?

CVE-2021-24005 was published on 2021-07-06 and last updated on 2026-06-17.

CVE-2021-24005

CVE-2021-24005 is a medium-severity vulnerability in Fortinet Fortiauthenticator with a CVSS 3.x base score of 4.0. 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-798.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
CVSS v2: 5.0
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Fortinet Fortiauthenticator
Published: 2021-07-06
Last modified: 2026-06-17

Description

Usage of hard-coded cryptographic keys to encrypt configuration files and debug logs in FortiAuthenticator versions before 6.3.0 may allow an attacker with access to the files or the CLI configuration to decrypt the sensitive data, via knowledge of the hard-coded key.

Frequently asked questions

What is CVE-2021-24005?: Usage of hard-coded cryptographic keys to encrypt configuration files and debug logs in FortiAuthenticator versions before 6.3.0 may allow an attacker with access to the files or the CLI configuration to decrypt the sensitive data, via knowledge of the hard-coded key.
How severe is CVE-2021-24005?: CVE-2021-24005 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-24005 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24005?: CVE-2021-24005 affects Fortinet Fortiauthenticator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24005?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24005 published?: CVE-2021-24005 was published on 2021-07-06 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-20-049

Affected products (1)

cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*

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