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CVE-2022-43947

HIGHCVSS 8.8/10EPSS 0.40%

Last modified

CVE-2022-43947 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiOS version 7.2.0 through 7.2.3 and before 7.0.10, FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 administrative interface allows an attacker with a valid user account to perform brute-force attacks on other user accounts via injecting valid login sessions.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

An improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiOS version 7.2.0 through 7.2.3 and before 7.0.10, FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 administrative interface allows an attacker with a valid user account to perform brute-force attacks on other user accounts via injecting valid login sessions.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
0.40%

32.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FortinetFortiproxy>= 1.0.0, <= 2.0.9
FortinetFortiproxy>= 7.0.0, < 7.0.8
FortinetFortiproxy>= 7.2.0, < 7.2.2
FortinetFortios>= 6.2.0, < 6.4.13
FortinetFortios>= 7.0.0, < 7.0.11
FortinetFortios>= 7.2.0, < 7.2.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-43947?
An improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiOS version 7.2.0 through 7.2.3 and before 7.0.10, FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 administrative interface allows an attacker with a valid user account to perform brute-force attacks on other user accounts via injecting valid login sessions.
How severe is CVE-2022-43947?
CVE-2022-43947 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2022-43947?
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-2022-43947?

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

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Source: NVD / NIST