Vulnerability in Node.js
CVE-2015-8855
The semver package before 4.3.2 for Node.js allows attackers to cause a denial of service (CPU consumption) via a long version string, aka a "regular expression denial of service (ReDoS)."
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.065 (93.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.065 · newest: 0.065 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/86957 (VDB Entry, Third Party Advisory, vdb-entry)
- nodesecurity.io/advisories/31 (Patch, Vendor Advisory)
- www.openwall.com/lists/oss-security/2016/04/20/11 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-8855?
- CVE-2015-8855 is a high-severity vulnerability in Node.js, classified under CWE-399. CVSS score: 7.5/10. Published 2017-01-23.
- How severe is CVE-2015-8855?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2015-8855 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.