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CVE-2020-7793

20
FAUCET Score

CVE-2020-7793 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting versions of the ua-parser-js package prior to 0.7.23, as well as Siemens Sinec INS products that incorporate this library. This vulnerability carries a CVSS score of 7.5 (High), indicating that an unauthenticated attacker can remotely trigger a denial of service with low attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.7.23CPE matchmatch criteria
cpe:2.3:a:ua-parser-js_project:ua-parser-js:*:*:*:*:*:node.js:*:*
< 1.0CPE matchmatch criteria
cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:*

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
3.88%
Probability of exploitation in next 30 days
EPSS Percentile
89.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0388 is in the 81st percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (8)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: ua-parser-jsFixed in: 0.7.23
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-logging-kibana6
redhatvendor investigatingvia redhat_api
Product: Red Hat Storage 3Fixed in: grafana
redhatvendor investigatingvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: nodejs-ua-parser-js
redhatvendor investigatingvia redhat_api
Product: Red Hat Ceph Storage 3Fixed in: grafana-container
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: kibana
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: kibana

Vendor Advisories (2)

npmGHSA-394c-5j6w-4xmxhigh

ua-parser-js Regular Expression Denial of Service vulnerability

Feb 9, 2022
redhatCVE-2020-7793Low

nodejs-ua-parser-js: ReDoS in multiple regexes

Oct 29, 2020

References

cert-portal.siemens.com / productcert/pdf/ssa-637483.pdf
Third Party Advisory
github.com / faisalman/ua-parser-js/commit/6d1f26df051ba681463ef109d36c9cf0f7e32b18
PatchThird Party Advisory
snyk.io / vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBFAISALMAN-1050388
ExploitThird Party Advisory
snyk.io / vuln/SNYK-JAVA-ORGWEBJARSNPM-1050387
ExploitThird Party Advisory
snyk.io / vuln/SNYK-JS-UAPARSERJS-1023599
ExploitThird Party Advisory