PatchTheCVECVE-2024-22778: HackMD CodiMD <2.5.2 is vulnerable to Denial of Service.
CVE-2024-22778 is a high-severity flaw (CVSS 7.5) affecting codimd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
HackMD CodiMD <2.5.2 is vulnerable to Denial of Service.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.7% (top 47%) |
| CISA exploited list | No |
| Published | 2024-02-21 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2024-22778?
codimd: upgrade to 2.5.2. Exact commands for each OS are on this page.
Is CVE-2024-22778 being exploited?
CVE-2024-22778 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-2024-22778 affect?
CVE-2024-22778 affects codimd. Severity is high (CVSS 7.5). HackMD CodiMD <2.5.2 is vulnerable to Denial of Service.
How urgent is CVE-2024-22778?
Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2025-46654 MEDIUM 4.9 UPGRADE CodiMD through 2.2.0 has a CSP-based protection mechanism against XSS through uploaded JavaScript content, but
- CVE-2024-38354 HIGH 8.1 UPGRADE CodiMD allows realtime collaborative markdown notes on all platforms
- CVE-2024-38353 MEDIUM 5.3 UPGRADE CodiMD allows realtime collaborative markdown notes on all platforms