Deserialization in Opencats
CVE-2021-25294
OpenCATS through 0.9.5-3 unsafely deserializes index.php?m=activity requests, leading to remote code execution. This occurs because lib/DataGrid.php calls unserialize for the parametersactivity:ActivityDataGrid parameter. The PHP object in…
Vulnerability class: Insecure Deserialization
EPSS: 0.107 (95.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Opencats
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-25294?
- CVE-2021-25294 is a critical-severity vulnerability in Opencats, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-01-18.
- How severe is CVE-2021-25294?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-25294 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.