CVE-2024-45236Network attack vector

Service crash via empty signedAttributes set

Published Aug 24, 2024 · Updated Nov 3, 2025

Improper input validation in FORT Validator before 1.6.3 allows remote attackers to crash the service through a malicious RPKI repository. The signed-data parser accesses elements of an empty signedAttributes set without first verifying that the set contains an element. Exploitation requires control of an RPKI repository beneath a trusted Trust Anchor; the crash interrupts Route Origin Validation, exposing routing decisions to compromise.

CVSS severity7.5
High
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in FORT Validator before 1.6.3 allows remote attackers to crash the service through a malicious RPKI repository. The signed-data parser accesses elements of an empty signedAttributes set without first verifying that the set contains an element. Exploitation requires control of an RPKI repository beneath a trusted Trust Anchor; the crash interrupts Route Origin Validation, exposing routing decisions to compromise.

The record

CVE
CVE-2024-45236
Published
Aug 24, 2024
Updated
Nov 3, 2025
Vendor
FORT Validator Project
Product
FORT Validator
Classifications
CWE-20, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 24, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 3, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.6.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

FORT Validator Project · FORT Validatorversion=0 <1.6.3

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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