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CVE-2021-28092

25
FAUCET Score

CVE-2021-28092 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting versions 2.1.0 through 4.2.1 of the Node.js is-svg package. An unauthenticated attacker can trigger this vulnerability by providing a specially crafted input string, causing the application to become unresponsive due to prolonged processing. Rated 7.5 HIGH on CVSS, this flaw carries a high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.1.0, <= 4.2.1CPE matchmatch criteria
cpe:2.3:a:is-svg_project:is-svg:*:*:*:*:*: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
2.17%
Probability of exploitation in next 30 days
EPSS Percentile
80.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0217 is in the 65th percentile among its peer group of 51,485 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 (12)

npmpatch availablevia ghsa
Product: is-svgFixed in: 4.2.2
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.8Fixed in: openshift4/ose-thanos-rhel8:v4.8.0-202106291913.p0.git.c358e96.assembly.stream
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.9Fixed in: openshift4/ose-prometheus:v4.9.0-202109302016.p0.git.3197fa7.assembly.stream
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 3.11Fixed in: kibana
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-grafana
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/console-ui-rhel8
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/search-ui-rhel8
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/console-rhel8
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: kibana

Vendor Advisories (2)

npmGHSA-7r28-3m3f-r2prhigh

Regular Expression Denial of Service (ReDoS)

Mar 19, 2021
redhatCVE-2021-28092Moderate

nodejs-is-svg: ReDoS via malicious string

Mar 11, 2021

References

github.com / sindresorhus/is-svg/releases
Release NotesThird Party Advisory
github.com / sindresorhus/is-svg/releases/tag/v4.2.2
Release NotesThird Party Advisory
security.netapp.com / advisory/ntap-20210513-0008
Third Party Advisory
npmjs.com / package/is-svg
Product