Strix
26.1K

CVE-2022-35843

CRITICALCVSS 9.8/10EPSS 0.89%

Last modified

CVE-2022-35843 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An authentication bypass by assumed-immutable data vulnerability [CWE-302] in the FortiOS SSH login component 7.2.0, 7.0.0 through 7.0.7, 6.4.0 through 6.4.9, 6.2 all versions, 6.0 all versions and FortiProxy SSH login component 7.0.0 through 7.0.5, 2.0.0 through 2.0.10, 1.2.0 all versions may allow a remote and unauthenticated attacker to login into the device via sending specially crafted Access-Challenge response from the Radius server.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

Description

An authentication bypass by assumed-immutable data vulnerability [CWE-302] in the FortiOS SSH login component 7.2.0, 7.0.0 through 7.0.7, 6.4.0 through 6.4.9, 6.2 all versions, 6.0 all versions and FortiProxy SSH login component 7.0.0 through 7.0.5, 2.0.0 through 2.0.10, 1.2.0 all versions may allow a remote and unauthenticated attacker to login into the device via sending specially crafted Access-Challenge response from the Radius server.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.89%

54.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FortinetFortiproxy>= 1.2.0, <= 1.2.13
FortinetFortiproxy>= 2.0.0, <= 2.0.10
FortinetFortiproxy>= 7.0.0, <= 7.0.6
FortinetFortios>= 6.0.0, <= 6.0.15
FortinetFortios>= 6.2.0, <= 6.2.12
FortinetFortios>= 6.4.0, <= 6.4.9
FortinetFortios>= 7.0.0, <= 7.0.7
FortinetFortios7.2.0
FortinetFortios7.2.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-35843?
An authentication bypass by assumed-immutable data vulnerability [CWE-302] in the FortiOS SSH login component 7.2.0, 7.0.0 through 7.0.7, 6.4.0 through 6.4.9, 6.2 all versions, 6.0 all versions and FortiProxy SSH login component 7.0.0 through 7.0.5, 2.0.0 through 2.0.10, 1.2.0 all versions may allow a remote and unauthenticated attacker to login into the device via sending specially crafted Access-Challenge response from the Radius server.
How severe is CVE-2022-35843?
CVE-2022-35843 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.
How do I fix CVE-2022-35843?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-35843?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST