How severe is CVE-2024-22778?

CVE-2024-22778 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-2024-22778 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-22778?

CVE-2024-22778 affects Hackmd Codimd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-22778?

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-2024-22778 have an EU (EUVD) identifier?

Yes. CVE-2024-22778 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20309.

When was CVE-2024-22778 published?

CVE-2024-22778 was published on 2024-02-21 and last updated on 2026-06-17.

CVE-2024-22778

Q: What is CVE-2024-22778?

HackMD CodiMD <2.5.2 is vulnerable to Denial of Service.

CVE-2024-22778 is a high-severity vulnerability in Hackmd Codimd 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-20309
Affected product: Hackmd Codimd
Published: 2024-02-21
Last modified: 2026-06-17

Description

HackMD CodiMD <2.5.2 is vulnerable to Denial of Service.

Frequently asked questions

What is CVE-2024-22778?: HackMD CodiMD <2.5.2 is vulnerable to Denial of Service.
How severe is CVE-2024-22778?: CVE-2024-22778 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-2024-22778 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-22778?: CVE-2024-22778 affects Hackmd Codimd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-22778?: 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-2024-22778 have an EU (EUVD) identifier?: Yes. CVE-2024-22778 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20309.
When was CVE-2024-22778 published?: CVE-2024-22778 was published on 2024-02-21 and last updated on 2026-06-17.

References

https://github.com/hackmdio/codimd/issues/1846

Affected products (1)

cpe:2.3:a:hackmd:codimd:*:*:*:*:*:*:*:*

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