Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2018-7651

22
FAUCET Score

CVE-2018-7651 is a regular expression denial of service (ReDoS) vulnerability affecting the ssri module (versions prior to 5.2.2) for Node.js. An attacker can exploit this by providing a long base64 hash string in strict mode, leading to a denial of service. Rated as Medium severity (CVSS 5.9), this vulnerability requires high attack complexity but can result in high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.2.2CPE matchmatch criteria
cpe:2.3:a:ssri_project:ssri:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.75%
Probability of exploitation in next 30 days
EPSS Percentile
75.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0175 is in the 54th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: ssriFixed in: 5.2.2

Vendor Advisories (1)

npmGHSA-325j-24f4-qv5xmedium

Regular Expression Denial of Service in ssri

Mar 7, 2018

References

github.com / zkat/ssri/commit/d0ebcdc22cb5c8f47f89716d08b3518b2485d65d
PatchThird Party Advisory
github.com / zkat/ssri/issues/10
Third Party Advisory
nodesecurity.io / advisories/565
Third Party Advisory