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CVE-2021-3749

31
FAUCET Score

CVE-2021-3749 describes an Inefficient Regular Expression Complexity vulnerability affecting the axios library and its integrations within Oracle and Siemens products. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low attack complexity, leading to a high impact on availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.21.1CPE matchmatch criteria
cpe:2.3:a:axios:axios:*:*:*:*:*: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:*:*:*:*:*:*
>= 21.1, < 21.7.0.0.0CPE matchmatch criteria
cpe:2.3:a:oracle:goldengate:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
8.52%
Probability of exploitation in next 30 days
EPSS Percentile
94.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0852 is in the 91st percentile among its peer group of 51,553 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 (17)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: axiosFixed in: 0.21.2
redhatpatch availablevia redhat_api
Product: Migration Toolkit for Virtualization 2.2Fixed in: migration-toolkit-virtualization/mtv-ui-rhel8:2.2.0-60
View patch
redhatpatch availablevia redhat_api
Product: OpenShift Service Mesh 2.0Fixed in: kiali-0:v1.24.7.redhat1-1.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Migration Toolkit for Containers 1.6Fixed in: rhmtc/openshift-migration-ui-rhel8:v1.6.0-24
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.10Fixed in: openshift4/ose-console:v4.10.0-202202240423.p0.gb6503ff.assembly.stream
View patch
redhatpatch availablevia redhat_api
Product: RHACS-3.67-RHEL-8Fixed in: advanced-cluster-security/rhacs-rhel8-operator:3.67.0-3
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/application-ui-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/kui-web-terminal-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/search-ui-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-grafana
redhatvendor investigatingvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/console-header-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/console-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/console-ui-rhel8
redhatno patchvia redhat_api
Product: OpenShift Service Mesh 2.0Fixed in: servicemesh-grafana
redhatend of lifevia redhat_api
Product: Service Telemetry Framework 1.2 for RHEL 8Fixed in: stf/service-telemetry-rhel8-operator
redhatend of lifevia redhat_api
Product: Service Telemetry Framework 1.2 for RHEL 8Fixed in: stf/smart-gateway-rhel8-operator

Vendor Advisories (2)

npmGHSA-cph5-m8f7-6c5xhigh

axios Inefficient Regular Expression Complexity vulnerability

Sep 1, 2021
redhatCVE-2021-3749Moderate

nodejs-axios: Regular expression denial of service in trim function

Aug 31, 2021

References

cert-portal.siemens.com / productcert/pdf/ssa-637483.pdf
Third Party Advisory
github.com / axios/axios/commit/5b457116e31db0e88fede6c428e969e87f290929
PatchThird Party Advisory
huntr.dev / bounties/1e8f07fc-c384-4ff9-8498-0690de2e8c31
ExploitPatchThird Party Advisory
lists.apache.org / thread.html/r075d464dce95cd13c03ff9384658edcccd5ab2983b82bfc72b62bb10%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r216f0fd0a3833856d6a6a1fada488cadba45f447d87010024328ccf2%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r3ae6d2654f92c5851bdb73b35e96b0e4e3da39f28ac7a1b15ae3aab8%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r4bf1b32983f50be00f9752214c1b53738b621be1c2b0dbd68c7f2391%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r7324ecc35b8027a51cb6ed629490fcd3b2d7cf01c424746ed5744bf1%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r74d0b359408fff31f87445261f0ee13bdfcac7d66f6b8e846face321%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/ra15d63c54dc6474b29f72ae4324bcb03038758545b3ab800845de7a1%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/rc263bfc5b53afcb7e849605478d73f5556eb0c00d1f912084e407289%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/rfa094029c959da0f7c8cd7dc9c4e59d21b03457bf0cedf6c93e1bb0a%40%3Cdev.druid.apache.org%3E
lists.apache.org / thread.html/rfc5c478053ff808671aef170f3d9fc9d05cc1fab8fb64431edc66103%40%3Ccommits.druid.apache.org%3E
oracle.com / security-alerts/cpujul2022.html
Third Party Advisory