Adminer — known exploited vulnerabilities
The CISA Known Exploited Vulnerabilities catalog (KEV) lists vulnerabilities that CISA has confirmed are being exploited in the wild; U.S. federal civilian agencies are required to remediate each entry by its due date. This page joins the KEV entries for Adminer with NVD CVSS scores and CISA's ransomware-campaign flag. See our methodology or browse all CVEs.
Key findings
CISA's Known Exploited Vulnerabilities catalog lists 1 Adminer vulnerability confirmed as exploited in the wild across 1 product; none is currently flagged as used in known ransomware campaigns. All entries affect a single product: Adminer. CISA added 1 entry in 2025, compared with 0 in 2024. Across the 1 entry with an NVD CVSS score (100% of the total), the average score is 7.2; none is rated critical by NVD. The most recent addition is CVE-2021-21311 (Adminer Server-Side Request Forgery Vulnerability), added on 2025-09-29.
Affected products
| Product | Entries | Share |
|---|---|---|
| Adminer | 1 | 100% |
Entries added per year
By date added to the KEV catalog
Exploited Adminer vulnerabilities (1)
Newest first. CVSS scores from NVD where available.
| CVE | Product | Vulnerability | Date added | Ransomware | CVSS |
|---|---|---|---|---|---|
| CVE-2021-21311 | Adminer | Adminer Server-Side Request Forgery Vulnerability | 2025-09-29 | — | HIGH7.2 |
Source: CISA Known Exploited Vulnerabilities catalog, joined with NIST NVD CVSS data. Vendor names are normalized across spellings. Compare all vendors.