CVE-2021-23562

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

1.02% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 63.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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.

Published

2021-12-03 20:00Z4 YR AGO

Last updated

2024-09-16 17:52Z2 YR AGO

Reserved

2021-01-08

Assigning CNA

snyk

Record state

PUBLISHED

Severity

Medium (CVSS 4.2)

CNA CVSS vector

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

Weaknesses

• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.1

Document digest

25d3f1e5ca4cc6ad70d1e81122da0b1df8f577c4da8c18b6df1a71cd232c405f

• snyk.iohttps://snyk.io/vuln/SNYK-JS-PLUPLOAD-1583909x_refsource_MISC
• snyk.iohttps://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2306663x_refsource_MISC
• snyk.iohttps://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBMOXIECODE-2306664x_refsource_MISC
• snyk.iohttps://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-2306665x_refsource_MISC
• github.comhttps://github.com/moxiecode/plupload/blob/master/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226x_refsource_MISC
• github.comhttps://github.com/moxiecode/plupload/commit/d12175d4b5fa799b994ee1bb17bfbeec55b386fbx_refsource_MISC