Vulnerability in Fortinet Fortiweb

CVE-2021-41025

Multiple vulnerabilities in the authentication mechanism of confd in FortiWeb versions 6.4.1, 6.4.0, 6.3.0 through 6.3.15, 6.2.0 through 6.2.6, 6.1.0 through 6.1.2, 6.0.0 thorugh 6.0.7, including an instance of concurrent execution using shared resource with improper synchronization and one of authentication bypass by capture-replay, may allow a remote unauthenticated attacker to circumvent the authentication process and authenticate as a legitimate cluster peer.

Vulnerability class: Race Condition

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.014 (72.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-41025: held from 0.014 to 0.014.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

  • Fortinet Fortiweb — versions FortiWeb 6.4.1, 6.4.0, 6.3.0 through 6.3.15, 6.2.0 through 6.2.6, 6.1.0 through 6.1.2, 6.0.0 thorugh 6.0.7
  • Fortinet Fortiweb — versions 6.1.0, 6.1.1, 6.1.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-41025?
CVE-2021-41025 is a high-severity vulnerability in Fortinet Fortiweb, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.3/10. Published 2021-12-08.
How severe is CVE-2021-41025?
High severity. CVSS v3 base score is 7.3 out of 10.