SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-22939

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.

MEDIUM 5.3EPSS 14.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 14.7%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS
14.73% probability · 97th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-295
Affected
nodejs/node.js · oracle/graalvm · oracle/jd edwards enterpriseone tools · oracle/mysql cluster · oracle/peoplesoft enterprise peopletools · netapp/nextgen api · siemens/sinec infrastructure network services · debian/debian linux
Source
support@hackerone.com
EPSS trend
0%8%15%3 November 2026: 14.73%3 November 20263 November 2026

EPSS 14.7% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.