How severe is CVE-2022-45861?

CVE-2022-45861 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-45861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45861?

CVE-2022-45861 primarily affects Fortinet Fortiproxy. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-45861?

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

When was CVE-2022-45861 published?

CVE-2022-45861 was published on 2023-03-07 and last updated on 2026-06-17.

CVE-2022-45861

CVE-2022-45861 is a medium-severity vulnerability in Fortinet Fortiproxy with a CVSS 3.x base score of 6.5. 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-824.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-824
Affected product: Fortinet Fortiproxy
Published: 2023-03-07
Last modified: 2026-06-17

Description

An access of uninitialized pointer vulnerability [CWE-824] in the SSL VPN portal of Fortinet FortiOS version 7.2.0 through 7.2.3, version 7.0.0 through 7.0.9 and before 6.4.11 and FortiProxy version 7.2.0 through 7.2.1, version 7.0.0 through 7.0.7 and before 2.0.11 allows a remote authenticated attacker to crash the sslvpn daemon via an HTTP GET request.

Frequently asked questions

What is CVE-2022-45861?: An access of uninitialized pointer vulnerability [CWE-824] in the SSL VPN portal of Fortinet FortiOS version 7.2.0 through 7.2.3, version 7.0.0 through 7.0.9 and before 6.4.11 and FortiProxy version 7.2.0 through 7.2.1, version 7.0.0 through 7.0.7 and before 2.0.11 allows a remote authenticated attacker to crash the sslvpn daemon via an HTTP GET request.
How severe is CVE-2022-45861?: CVE-2022-45861 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-45861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45861?: CVE-2022-45861 primarily affects Fortinet Fortiproxy. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-45861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-45861 published?: CVE-2022-45861 was published on 2023-03-07 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-477

Affected products (6)

cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:1.1.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:1.1.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:7.2.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

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