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CVE-2021-44533

24
FAUCET Score

CVE-2021-44533 describes a vulnerability in Node.js versions prior to 12.22.9, 14.18.3, 16.13.2, and 17.3.1, affecting products like Debian and Oracle. This flaw stems from incorrect handling of multi-value Relative Distinguished Names, allowing attackers to craft certificate subjects that could bypass certificate subject verification. Rated as Medium severity (CVSS 5.3), it has a low attack complexity and could lead to information integrity issues, though it does not impact confidentiality or availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 12.22.9CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
>= 14.0.0, < 14.18.3CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
>= 16.0.0, < 16.13.2CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
>= 17.0.0, < 17.3.1CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
20.3.5CPE matchmatch criteria
cpe:2.3:a:oracle:graalvm:20.3.5:*:*:*:enterprise:*:*:*

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:L/A:N

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

Exploit Intelligence

EPSS Score
9.36%
Probability of exploitation in next 30 days
EPSS Percentile
94.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0936 is in the 94th percentile among its peer group of 23,723 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 (20)

microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 x64Fixed in: 14.18.3-1
microsoftpatch availablevia msrc
Product: 18774-16820Fixed in: 14.18.3-1
microsoftpatch availablevia msrc
Product: 18775-16823Fixed in: 16.14.0-1
microsoftpatch availablevia msrc
Product: cbl2 nodejs 16.14.0-1 on CBL Mariner 2.0Fixed in: 16.14.0-1
microsoftpatch availablevia msrc
Product: cm1 nodejs 14.18.3-1 on CBL Mariner 1.0Fixed in: 14.18.3-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 16.14.0-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 16.14.0-1
microsoftpatch availablevia msrc
Product: CBL Mariner 1.0 ARMFixed in: 14.18.3-1
oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:12-8060020220523160029.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs12-nodejs-0:12.22.12-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs14-nodejs-0:14.20.1-2.el7
View patch
redhatpatch availablevia redhat_api
Product: RHODF-4.13-RHEL-9Fixed in: odf4/mcg-core-rhel9:v4.13.0-41
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: nodejs:14-8060020230306170237.ad008a3a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Extended Update SupportFixed in: nodejs:12-8040020220523155137.522a0ee4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Extended Update SupportFixed in: nodejs:12-8020020220523154454.4cda2c84
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Update Services for SAP SolutionsFixed in: nodejs:12-8010020220518102644.c27ad7f8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:16-8070020221207164159.bd1311ed
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: nodejs:14-8070020221020110846.bd1311ed
View patch
redhatend of lifevia redhat_api
Product: Red Hat Quay 3Fixed in: nodejs

Vendor Advisories (3)

microsoft2022-Mar/CVE-2021-44533

CVE-2021-44533

Mar 8, 2022
microsoft2022-Feb/CVE-2021-44533Moderate

Node.js < 12.22.9 < 14.18.3 < 16.13.2 and < 17.3.1 did not handle multi-value Relative Distinguished Names correctly. Attackers could craft certificate subjects containing a single-value Relative Distinguished Name that would be interpreted as a multi-value Relative Distinguished Name for example in order to inject a Common Name that would allow bypassing the certificate subject verification.Affected versions of Node.js that do not accept multi-value Relative Distinguished Names and are thus not vulnerable to such attacks themselves. However third-party code that uses node's ambiguous presentation of certificate subjects may be vulnerable.

Feb 8, 2022
redhatCVE-2021-44533Moderate

nodejs: Incorrect handling of certificate subject and issuer fields

Jan 10, 2022

References

hackerone.com / reports/1429694
ExploitMitigationThird Party Advisory
nodejs.org / en/blog/vulnerability/jan-2022-security-releases
Release NotesVendor Advisory
security.netapp.com / advisory/ntap-20220325-0007
Third Party Advisory
debian.org / security/2022/dsa-5170
Third Party Advisory
oracle.com / security-alerts/cpuapr2022.html
PatchThird Party Advisory
oracle.com / security-alerts/cpujul2022.html
Third Party Advisory