CVE-2021-21311

Katalog CVE

CVSS 7.2 · High KEV · sudah dieksploitasi EPSS 98,5%

Kerentanan Server-Side Request Forgery (SSRF) pada adminer, debian linux. Skor CVSS 3.1 7.2 (High) menurut NVD. Masuk katalog KEV CISA pada 29 September 2025, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. `adminer.php`) are affected. This is fixed in version 4.7.9.

Rincian

Terbit di NVD

11 Februari 2021

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

7.2 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-918: Server-Side Request Forgery (SSRF)

EPSS (30 hari)

98,5% peluang dieksploitasi; lebih tinggi dari 99,9% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Adminer Server-Side Request Forgery Vulnerability

Masuk KEV

29 September 2025

Tenggat CISA

20 Oktober 2025 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/vrana/adminer/commit/ccd2374b0b12bd547417bf0dacdf153826c83351 patch
• https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6 patch · advisory pihak ketiga
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21311 pemerintah AS
• https://github.com/vrana/adminer/files/5957311/Adminer.SSRF.pdf exploit · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2021/03/msg00002.html mailing list · advisory pihak ketiga
• https://packagist.org/packages/vrana/adminer product · advisory pihak ketiga