CVE-2018-11615 json
Mosca REDoS Vulnerability
published 2018-08-30 8 y ago modified 2026-06-17 4 mo ago also GHSA-wqg7-vrj7-v82h , EUVD-2018-0426
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.2%
- EPSS 3.2% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
This vulnerability allows remote attackers to deny service on vulnerable installations of npm mosca 2.8.1. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of topics. A crafted regular expression can cause the broker to crash. An attacker can leverage this vulnerability to deny access to the target system. Was ZDI-CAN-6306.
Patch / fix
- npm mosca 2.8.2
Exploit prediction
3.22% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | mosca | <2.8.2 |
2.8.2 |
Affected products
- npm npm mosca
Classification
References
-
zerodayinitiative.com
/advisories/ZDI-18-583
web, third-party-advisory, vdb-entry
-
nvd.nist.gov
/vuln/detail/CVE-2018-11615
advisory
-
github.com
/advisories/GHSA-wqg7-vrj7-v82h
advisory
Sources
- CVE List CVE-2018-11615
- GitHub Advisory GHSA-wqg7-vrj7-v82h
- NVD CVE-2018-11615
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.