CVE-2026-24017

Q: How do I fix CVE-2026-24017?

Upgrade fortiweb to 8.0.3 or later.

Q: Is CVE-2026-24017 being actively exploited?

Not that we know of. CVE-2026-24017 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.76% is the estimated probability that it will be exploited in the next 30 days. That is higher than 52% of all scored CVEs.

Q: How severe is CVE-2026-24017?

CVE-2026-24017 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-24017 affect?

Published advisories record a fix for fortiweb (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

8.1

CVSS v3

NVD

Description

An Improper Control of Interaction Frequency vulnerability [CWE-799] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.10, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow a remote unauthenticated attacker to bypass the authentication rate-limit via crafted requests. The success of the attack depends on the attacker's resources and the password target complexity.

CWE-799

How to fix

Remediation Available

fortiwebNVD

Affected:>= 8.0.0, < 8.0.3Fixed in:8.0.3CVE-2026-24017derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.76%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Vendor Advisory1

fortiguard.fortinet.com

Related Vulnerabilities

Other CWE-799 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35621	High	7.5	2.3%	-	-
CVE-2016-6543	Medium	5.9	2.2%	-	-
CVE-2021-37910	Low	3.7	2.1%	-	Fix
CVE-2021-32705	Medium	5.3	1.7%	-	Fix
CVE-2021-32703	Medium	5.3	1.5%	-	Fix
CVE-2021-41177	High	8.1	1.5%	-	Fix

Common questions

How do I fix CVE-2026-24017?

Upgrade fortiweb to 8.0.3 or later.

Is CVE-2026-24017 being actively exploited?

Not that we know of. CVE-2026-24017 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.76% is the estimated probability that it will be exploited in the next 30 days. That is higher than 52% of all scored CVEs.

How severe is CVE-2026-24017?

CVE-2026-24017 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-24017 affect?

Published advisories record a fix for fortiweb (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-24017

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-12.