Review reviewCritical
CVE-2021-41326
misp
In MISP before 2.4.148, app/Lib/Export/OpendataExport.php mishandles parameter data that is used in a shell_exec call.
- CVSS
- 9.8
- EPSS
- 1.78% 76.1% percentile
- CISA KEV
- Not listed
- Published
- 2021.09.18
Review review
The CVSS severity warrants an early asset and exposure review.
Known exploitationNot established by KEV
Exploit probability1.78%
Technical severityCVSS 9.8
Vulnerability overview
In MISP before 2.4.148, app/Lib/Export/OpendataExport.php mishandles parameter data that is used in a shell_exec call.
Affected product and versions
- Product
- misp
- Affected versions
- < 2.4.148
- Fixed versions
- 2.4.148
Recommended response sequence
Confirm exposure before applying a vendor-supported change.
- 1Identify
Confirm that misp and an affected version are present.
- 2Prioritize
Combine exploitation signals with asset exposure and business criticality.
- 3Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
- 4Verify
Recheck the version, service health, access paths, and relevant logs.
Technical data
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- Not available