CVE-2021-25294

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

10.68% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 95.4% 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.

Published

2021-01-18 05:28Z5 YR AGO

Last updated

2024-08-03 19:56Z2 YR AGO

Reserved

2021-01-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-502Deserialization of Untrusted DataBase

Data version

5.1

Document digest

5b29d9d6e5fa7823ce4e3949150ed262176748f75a57e849ea0280fec3efc47d

• snoopysecurity.github.iohttps://snoopysecurity.github.io/web-application-security/2021/01/16/09_opencats_php_object_injection.htmlx_refsource_MISC
• github.comhttps://github.com/snoopysecurity/snoopysecurity.github.io/blob/master/web-application-security/2021/01/16/09_opencats_php_object_injection.htmlx_refsource_MISC
• www.opencats.orghttps://www.opencats.org/news/x_refsource_MISC