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CVE-2015-8315

27
FAUCET Score

CVE-2015-8315 describes a Regular Expression Denial of Service (ReDoS) vulnerability in the 'ms' package (versions prior to 0.7.1) for Node.js, specifically impacting the 'vercel ms' product. This flaw allows attackers to trigger high CPU consumption and a denial of service by providing a crafted, long version string. Rated with a CVSS score of 7.5 (High), the vulnerability is easily exploitable over the network with low attack complexity, leading to a high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.7.1CPE matchmatch criteria
cpe:2.3:a:vercel:ms:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
6.82%
Probability of exploitation in next 30 days
EPSS Percentile
93.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0682 is in the 89th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

npmpatch availablevia ghsa
Product: msFixed in: 0.7.1

Vendor Advisories (2)

npmGHSA-3fx5-fwvr-xrjghigh

Regular Expression Denial of Service in ms

Oct 24, 2017
redhatCVE-2015-8315Moderate

nodejs-ms: regular expression denial of service

Oct 24, 2015

References

nodesecurity.io / advisories/46
Broken LinkExploitMitigationVendor Advisory
support.f5.com / csp/article/K46337613
Third Party Advisory
openwall.com / lists/oss-security/2016/04/20/11
Mailing ListThird Party Advisory
securityfocus.com / bid/96389
Broken LinkThird Party AdvisoryVDB Entry