CVE-2021-21311 · netVigilance record NV25-0179
Adminer Server-Side Request Forgery
past due
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2025-10-20 · passed 10 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
Adminer contains a server-side request forgery vulnerability that, when exploited, allows a remote attacker to obtain potentially sensitive information.
Who is affected
Adminer Adminer. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-918.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 10 months ago
Sources
- NVD entry for CVE-2021-21311 nvd.nist.gov/vuln/detail/CVE-2021-21311
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- github.com github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-21311