How severe is CVE-2024-45235?

CVE-2024-45235 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-45235 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-45235?

CVE-2024-45235 affects Nicmx Fort Validator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-45235?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-45235 have an EU (EUVD) identifier?

Yes. CVE-2024-45235 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41376.

When was CVE-2024-45235 published?

CVE-2024-45235 was published on 2024-08-24 and last updated on 2026-06-17.

CVE-2024-45235

CVE-2024-45235 is a high-severity vulnerability in Nicmx Fort Validator with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-41376
Weakness: CWE-476
Affected product: Nicmx Fort Validator
Published: 2024-08-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-45235?: 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.
How severe is CVE-2024-45235?: CVE-2024-45235 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-45235 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-45235?: CVE-2024-45235 affects Nicmx Fort Validator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-45235?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-45235 have an EU (EUVD) identifier?: Yes. CVE-2024-45235 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41376.
When was CVE-2024-45235 published?: CVE-2024-45235 was published on 2024-08-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nicmx:fort_validator:*:*:*:*:*:*:*:*

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CVE-2024-56375 — High (CVSS 7.5): An integer underflow was discovered in Fort 1.6.3 and 1.6.4 before 1.6.5. A malicious RPKI repository that descends…
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CVE-2024-56169 — Medium (CVSS 5.3): A validation integrity issue was discovered in Fort through 1.6.4 before 2.0.0. RPKI Relying Parties (such as Fort) are…

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