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CVE-2021-23362

21
FAUCET Score

CVE-2021-23362 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting the hosted-git-info package versions prior to 3.0.8, including its use in Siemens Sinec Infrastructure Network Services. The flaw resides in the fromUrl function's shortcutMatch regular expression, which exhibits polynomial worst-case time complexity. Rated MEDIUM severity (CVSS 5.3), this vulnerability can lead to a denial of service (A:L) with low attack complexity (AC:L) and no user interaction required (UI:N). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, < 2.8.9CPE matchmatch criteria
cpe:2.3:a:npmjs:hosted-git-info:*:*:*:*:*:*:*:*
>= 3.0.0, < 3.0.8CPE matchmatch criteria
cpe:2.3:a:npmjs:hosted-git-info:*:*:*:*:*:*:*:*
< 1.0.1.1CPE matchmatch criteria
cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.61%
Probability of exploitation in next 30 days
EPSS Percentile
88.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0361 is in the 84th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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 (38)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: hosted-git-infoFixed in: 2.8.9
npmpatch availablevia ghsa
Product: hosted-git-infoFixed in: 3.0.8
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Extended Update SupportFixed in: nodejs:12-8020020210817125332.4cda2c84
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:14-8040020210708154809.522a0ee4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.8Fixed in: openshift4/ose-console:v4.8.0-202107010336.p0.git.188a490.assembly.stream
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs12-nodejs-0:12.22.2-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs12-nodejs-nodemon-0:2.0.3-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs14-nodejs-0:14.17.2-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs14-nodejs-nodemon-0:2.0.3-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-nodejs12-nodejs-0:12.22.2-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-nodejs12-nodejs-nodemon-0:2.0.3-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-nodejs14-nodejs-0:14.17.2-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-nodejs14-nodejs-nodemon-0:2.0.3-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Extended Update SupportFixed in: nodejs:12-8010020210817113128.c27ad7f8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:12-8040020210708131418.522a0ee4
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-prometheus-rhel9
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-grafana
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: openshift3/grafana
redhatvendor investigatingvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: application-ui
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-thanos-rhel8
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: grc-ui
redhatno patchvia redhat_api
Product: OpenShift Service Mesh 2.0Fixed in: servicemesh-grafana
redhatno patchvia redhat_api
Product: OpenShift Service Mesh 2.0Fixed in: servicemesh-prometheus
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/search-ui-rhel8
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: grafana-pcp
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: js-d3-flame-graph
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: pcs
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: pcs
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-metering-hive
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:10/nodejs
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: js-d3-flame-graph
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: grafana-pcp
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-nodejs10-nodejs
redhatend of lifevia redhat_api
Product: Red Hat Virtualization 4Fixed in: cockpit-ovirt
redhatend of lifevia redhat_api
Product: Red Hat Virtualization 4Fixed in: ovirt-engine-ui-extensions
redhatend of lifevia redhat_api
Product: Red Hat Virtualization 4Fixed in: ovirt-web-ui

Vendor Advisories (2)

npmGHSA-43f8-2h32-f4cjmedium

Regular Expression Denial of Service in hosted-git-info

May 6, 2021
redhatCVE-2021-23362Moderate

nodejs-hosted-git-info: Regular Expression denial of service via shortcutMatch in fromUrl()

Mar 23, 2021

References

cert-portal.siemens.com / productcert/pdf/ssa-389290.pdf
PatchThird Party Advisory
github.com / npm/hosted-git-info/commit/29adfe5ef789784c861b2cdeb15051ec2ba651a7
PatchThird Party Advisory
github.com / npm/hosted-git-info/commit/8d4b3697d79bcd89cdb36d1db165e3696c783a01
PatchThird Party Advisory
github.com / npm/hosted-git-info/commit/bede0dc38e1785e732bf0a48ba6f81a4a908eba3
PatchThird Party Advisory
github.com / npm/hosted-git-info/commits/v2
PatchThird Party Advisory
snyk.io / vuln/SNYK-JAVA-ORGWEBJARSNPM-1088356
ExploitPatchThird Party Advisory
snyk.io / vuln/SNYK-JS-HOSTEDGITINFO-1088355
ExploitPatchThird Party Advisory