CVE-2024-1899 json
Showdownjs Denial of Service
published 2024-02-26 2 y ago modified 2026-09-10 1 mo ago also GHSA-rmmh-p597-ppvv , EUVD-2024-17621
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
An issue in the anchors subparser of Showdownjs versions <= 2.1.0 could allow a remote attacker to cause denial of service conditions.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- tenable.com https://www.tenable.com/security/research/tra-2024-05 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | showdown | <=2.1.0 |
no fix listed |
Affected products
- Showdownjs Showdown
Classification
References
-
tenable.com
/security/research/tra-2024-05
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2024-1899
advisory
-
github.com
/showdownjs/showdown
package
Sources
- CVE List CVE-2024-1899
- GitHub Advisory GHSA-rmmh-p597-ppvv
- NVD CVE-2024-1899
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.