CVE-2021-22939

Exp

If the Node.js https API was used incorrectly and "undefined" was in passed for the "rejectUnauthorized" parameter, no error was returned and connections to servers with an expired certificate would have been accepted.

Published: 2021-08-16 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2021-22939 is rated High Exploit Risk (74.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 14.73%, 96th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +14.60% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2021-22939

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2021-22939

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.13% 14.73% +14.60%
2 2025-11-21 2.63% 0.13% -2.49%
3 2025-11-18 — 2.63% —

Full EPSS history (39 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-22939

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 1.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2021-22939

OS Trackers for CVE-2021-22939

vendor priority summary link
alpine — CVE-2021-22939: 2 source package rows (nodejs, nodejs-current); 63 state rows across 16 repos (3.11-main, 3.12-main, 3.17-community, 3.17-main, 3.18-community, 3.18-main, 3.19-community, 3.19-main, 3.20-community, 3.20-main, 3.21-community, 3.21-main, 3.22-community, 3.22-main, edge-community, edge-main); fixed 16, open 47. https://security.alpinelinux.org/vuln/CVE-2021-22939
debian not yet assigned CVE-2021-22939 not yet assigned priority: Debian including 1 source packages (nodejs), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2021-22939
gentoo low CVE-2021-22939: 2 GLSA(s) (202401-02, 202405-29), 2 atom(s) (net-dns/c-ares, net-libs/nodejs); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2021-22939
redhat low — https://access.redhat.com/security/cve/CVE-2021-22939
suse medium CVE-2021-22939 severity moderate: SUSE including 67 source package names (12:nodejs12-12.22.5-4.19.1, 12:npm12-12.22.5-4.19.1, …), 189 product×package rows across 35 product lines (Container bci/node, Container bci/nodejs, … (35 product lines)): Fixed 123, Known Not Affected 66. https://www.suse.com/security/cve/CVE-2021-22939/
ubuntu low CVE-2021-22939 low priority: Ubuntu including 1 source packages (nodejs), 15 status rows across 15 suites (bionic, focal, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 8, ignored 3, needed 3, released 1. https://ubuntu.com/security/CVE-2021-22939

Affected software / configurations for CVE-2021-22939

Vendor Product Version Raw CPE
nodejs node.js >= 12.0.0, < 12.22.5 cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
nodejs node.js >= 14.0.0, < 14.17.5 cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
nodejs node.js >= 16.0.0, < 16.6.2 cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
oracle graalvm 20.3.3 cpe:2.3:a:oracle:graalvm:20.3.3:*:*:*:enterprise:*:*:*
oracle graalvm 21.2.0 cpe:2.3:a:oracle:graalvm:21.2.0:*:*:*:enterprise:*:*:*
oracle jd_edwards_enterpriseone_tools <= 9.2.6.1 cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*
oracle mysql_cluster <= 8.0.26 cpe:2.3:a:oracle:mysql_cluster:*:*:*:*:*:*:*:*
oracle peoplesoft_enterprise_peopletools 8.57 cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*
oracle peoplesoft_enterprise_peopletools 8.58 cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*
oracle peoplesoft_enterprise_peopletools 8.59 cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.59:*:*:*:*:*:*:*
netapp nextgen_api — cpe:2.3:a:netapp:nextgen_api:-:*:*:*:*:*:*:*
siemens sinec_infrastructure_network_services < 1.0.1.1 cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

References for CVE-2021-22939

cvelogic Threat Intelligence