How severe is CVE-2022-45858?

CVE-2022-45858 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-45858 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45858?

CVE-2022-45858 affects Fortinet Fortinac. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45858?

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

When was CVE-2022-45858 published?

CVE-2022-45858 was published on 2023-05-03 and last updated on 2026-06-17.

CVE-2022-45858

CVE-2022-45858 is a medium-severity vulnerability in Fortinet Fortinac with a CVSS 3.x base score of 4.2. 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-327.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Fortinet Fortinac
Published: 2023-05-03
Last modified: 2026-06-17

Description

A use of a weak cryptographic algorithm vulnerability [CWE-327] in FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.0 all versions, 8.8.0 all versions, 8.7.0 all versions may increase the chances of an attacker to have access to sensitive information or to perform man-in-the-middle attacks.

Frequently asked questions

What is CVE-2022-45858?: A use of a weak cryptographic algorithm vulnerability [CWE-327] in FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.0 all versions, 8.8.0 all versions, 8.7.0 all versions may increase the chances of an attacker to have access to sensitive information or to perform man-in-the-middle attacks.
How severe is CVE-2022-45858?: CVE-2022-45858 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-45858 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45858?: CVE-2022-45858 affects Fortinet Fortinac. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45858?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-45858 published?: CVE-2022-45858 was published on 2023-05-03 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-452

Affected products (1)

cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*

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