CVE-2021-39352

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

56.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/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.

Published

2021-10-21 19:38Z5 YR AGO

Last updated

2025-02-14 17:54Z1 YR AGO

Reserved

2021-08-20

Assigning CNA

Wordfence

Record state

PUBLISHED

Severity

High (CVSS 7.2)

CNA CVSS vector

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

Weaknesses

• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.1

Document digest

094fd36c92adbaebd9791adfe281a1282c10458bef8b67b025e0c799723c7e48

• www.wordfence.comhttps://www.wordfence.com/vulnerability-advisories/#CVE-2021-39352x_refsource_MISC
• plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset/2617555/catch-themes-demo-import/trunk/inc/CatchThemesDemoImport.phpx_refsource_MISC
• github.comhttps://github.com/BigTiger2020/word-press/blob/main/Catch%20Themes%20Demo%20Import.mdx_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/165207/WordPress-Catch-Themes-Demo-Import-1.6.1-Shell-Upload.htmlx_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/165463/WordPress-Catch-Themes-Demo-Import-Shell-Upload.htmlx_refsource_MISC
• github.comhttps://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-39352x_refsource_MISC
• www.exploit-db.comhttps://www.exploit-db.com/exploits/50580x_refsource_MISC