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01 Record

CVE-2021-23444

Prototype Pollution

MediumPUBLISHEDCNA: snyk
CNA base score5.6 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
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02 Description

Prototype Pollution

03 Exploitation and scoring

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
1.86% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 79.0% 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
No Red Hat rating. Red Hat rates the CVEs that affect its products.

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.

04 Metadata

Published
2021-09-21 16:55Z5 YR AGO
Last updated
2024-09-16 20:58Z2 YR AGO
Reserved
2021-01-08
Assigning CNA
snyk
Record state
PUBLISHED
Severity
Medium (CVSS 5.6)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Weaknesses
  • CWE-843Access of Resource Using Incompatible Type ('Type Confusion')Base
Data version
5.1
Document digest
1c9e744cbde126f38f382b04192e05af7b0f4f897b3788418c3fa0f26c0c30dc

05 Affected products

VendorProductVersionsPlatforms
n/ajointjs< 3.4.2—

06 References