Cyber Resilience

CVE-2021-41025

High

Published: 08 December 2021

Published
08 December 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0025 48.8th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-41025 is a high-severity Race Condition (CWE-362) vulnerability in Fortinet Fortiweb. Its CVSS base score is 7.3 (High).

Operationally, ranked at the 48.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

authentication bypass by capture-replay, may allow a remote unauthenticated attacker to circumvent the authentication process and authenticate as a legitimate cluster peer.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

fortinet
fortiweb
6.1.0, 6.1.1, 6.1.2, 6.4.0, 6.4.1 · 6.0.0 — 6.0.7 · 6.2.0 — 6.2.6 · 6.3.0 — 6.3.15

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-362

Accurate timestamps from internal clocks enable detection of race conditions by providing reliable event ordering in audit logs.

addresses: CWE-362

Coordination of concurrent security activities reduces the probability that shared resources will be accessed simultaneously without proper synchronization.

References