How severe is CVE-2024-34451?

CVE-2024-34451 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-34451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-34451?

CVE-2024-34451 affects Ghost. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-34451?

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

Does CVE-2024-34451 have an EU (EUVD) identifier?

Yes. CVE-2024-34451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34807.

When was CVE-2024-34451 published?

CVE-2024-34451 was published on 2024-06-16 and last updated on 2026-06-17.

CVE-2024-34451

CVE-2024-34451 is a critical-severity vulnerability in Ghost with a CVSS 3.x base score of 9.1. 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-1390.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-34807
Weakness: CWE-1390
Affected product: Ghost
Published: 2024-06-16
Last modified: 2026-06-17

Description

Ghost through 5.85.1 allows remote attackers to bypass an authentication rate-limit protection mechanism by using many X-Forwarded-For headers with different values. NOTE: the vendor's position is that Ghost should be installed with a reverse proxy that allows only trusted X-Forwarded-For headers.

Frequently asked questions

What is CVE-2024-34451?: Ghost through 5.85.1 allows remote attackers to bypass an authentication rate-limit protection mechanism by using many X-Forwarded-For headers with different values. NOTE: the vendor's position is that Ghost should be installed with a reverse proxy that allows only trusted X-Forwarded-For headers.
How severe is CVE-2024-34451?: CVE-2024-34451 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-34451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-34451?: CVE-2024-34451 affects Ghost. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-34451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-34451 have an EU (EUVD) identifier?: Yes. CVE-2024-34451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34807.
When was CVE-2024-34451 published?: CVE-2024-34451 was published on 2024-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*

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