CVE-2021-26040

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

0.94% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 58.3% of scored records. A rank, not a probability.

NVD base score

9.1 (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:N/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

2021-08-24 14:20Z5 YR AGO

Last updated

2026-02-25 05:05Z6 MO AGO

Reserved

2021-01-25

Assigning CNA

Joomla

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-863Incorrect AuthorizationClass

Data version

5.2

Document digest

b8b56af4c49df40a190f193225b4d0410b806b8cb3cda46f5a488a8443f94ed9

• developer.joomla.orghttps://developer.joomla.org/security-centre/861-20210801-core-insufficient-access-control-for-com-media-deletion-endpointx_refsource_MISCvendor-advisory