CVE-2024-56170: A validation integrity issue was discovered in Fort through 1.6.4 before 2.0.0

Q: How do I fix CVE-2024-56170?

fort-validator: upgrade to newer than 1.6.6. Exact commands for each OS are on this page.

Q: Is CVE-2024-56170 being exploited?

CVE-2024-56170 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-56170 affect?

CVE-2024-56170 affects fort-validator. Severity is medium (CVSS 5.3). A validation integrity issue was discovered in Fort through 1.6.4 before 2.0.0. RPKI manifests are listings of relevant files that clients are supposed to verify. Assuming everything else is correct, the most recent version of a manifest sh

Q: How urgent is CVE-2024-56170?

Priority 26/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2024-56170 is a medium-severity flaw (CVSS 5.3) affecting fort-validator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A validation integrity issue was discovered in Fort through 1.6.4 before 2.0.0. RPKI manifests are listings of relevant files that clients are supposed to verify. Assuming everything else is correct, the most recent version of a manifest should be prioritized over other versions, to prevent replays, accidental or otherwise. Manifests contain the manifestNumber and thisUpdate fields, which can be used to gauge the relevance of a given manifest, wh

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-346
Published	2024-12-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: nicmx

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-12-18 05:15 UTCPublished CVE record published
2026-06-17 08:11 UTCUpdated Record last modified

nicmx fort-validator UPGRADE

Affected: <= 1.6.6

Fixed in: newer than 1.6.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fort-validator || rpm -q fort-validator || fort-validator --version

2. UPGRADE to newer than 1.6.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fort-validator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fort-validator

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-56170?

fort-validator: upgrade to newer than 1.6.6. Exact commands for each OS are on this page.

Is CVE-2024-56170 being exploited?

CVE-2024-56170 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-56170 affect?

CVE-2024-56170 affects fort-validator. Severity is medium (CVSS 5.3). A validation integrity issue was discovered in Fort through 1.6.4 before 2.0.0. RPKI manifests are listings of relevant files that clients are supposed to verify. Assuming everything else is correct, the most recent version of a manifest sh

How urgent is CVE-2024-56170?

Priority 26/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-45239 HIGH 7.5 UPGRADE An issue was discovered in Fort before 1.6.3
CVE-2024-45237 CRITICAL 9.8 UPGRADE An issue was discovered in Fort before 1.6.3
CVE-2024-45236 HIGH 7.5 UPGRADE An issue was discovered in Fort before 1.6.3
CVE-2024-45234 HIGH 7.5 UPGRADE An issue was discovered in Fort before 1.6.3

References

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