Is CVE-2024-45235 in the CISA KEV catalog?

No. CVE-2024-45235 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-45235?

CVE-2024-45235 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2024-45235?

CVE-2024-45235 has an EPSS score of 0.30% (22th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-45235?

Upgrade fort-validator on debian 11 to 1.5.3-1~deb11u2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2024-45235

HIGH

7.5

CVSS v3

NVD

Description

An issue was discovered in Fort before 1.6.3. A malicious RPKI repository that descends from a (trusted) Trust Anchor can serve (via rsync or RRDP) a resource certificate containing an Authority Key Identifier extension that lacks the keyIdentifier field. Fort references this pointer without sanitizing it first. Because Fort is an RPKI Relying Party, a crash can lead to Route Origin Validation unavailability, which can lead to compromised routing.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

fort-validatorDebian

Fixed in:1.5.3-1~deb11u2CVE-2024-45235

Fixed in:1.5.4-1+deb12u1CVE-2024-45235

Fixed in:1.6.3-1CVE-2024-45235

fort-validatorUbuntu

Fixed in:1.2.0-1ubuntu0.1~esm1USN-7813-1

Fixed in:1.5.3-1ubuntu0.1USN-7813-1

Fixed in:1.6.1-1ubuntu0.1~esm2USN-7813-1

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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.30%probability of exploitation in 30 days

22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Vendor Advisory1

nicmx.github.io

Other references1

lists.debian.org

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

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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 2025-11-03.