CVE-2022-21190

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

3.97% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 90.1% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-05-13 20:00Z4 YR AGO

Last updated

2024-09-17 03:32Z2 YR AGO

Reserved

2022-02-24

Assigning CNA

snyk

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-1321Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')Variant

Data version

5.1

Document digest

5e759b71c5312ba72b845069b66d2de56422d11c57a69e59f1876ae00202e5ba

• snyk.iohttps://snyk.io/vuln/SNYK-JS-CONVICT-2774757x_refsource_MISC
• github.comhttps://github.com/mozilla/node-convict/blob/3b86be087d8f14681a9c889d45da7fe3ad9cd880/packages/convict/src/main.js%23L571x_refsource_MISC
• gist.github.comhttps://gist.github.com/dellalibera/cebce20e51410acebff1f46afdc89808x_refsource_MISC
• github.comhttps://github.com/mozilla/node-convict/blob/master/CHANGELOG.md%23623---2022-05-07x_refsource_MISC
• github.comhttps://github.com/mozilla/node-convict/commit/1ea0ab19c5208f66509e1c43b0d0f21c1fd29b75x_refsource_MISC