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Public proof of conceptFix available

CVE-2021-43008

A public proof of concept exists; no exploitation attested.

  • Published2022-04-05
  • Fixed in4.6.3

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Improper Access Control in Adminer versions 1.12.0 to 4.6.2 (fixed in version 4.6.3) allows an attacker to achieve Arbitrary File Read on the remote server by requesting the Adminer to connect to a remote MySQL database.

Timeline

dates in UTC
  1. 2022-04-0502:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-04 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-43008?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-43008?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD
vrana/adminer
BranchAffectedFixed in
4.6≥ 1.12.0, < 4.6.34.6.3
Adminer
BranchAffectedFixed in
4.6≥ 1.12.0, ≤ 4.6.2no fix published
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • adminerUbuntu:Pro:20.04:LTSall versions · no fixed version listed
  • adminerUbuntu:Pro:18.04:LTSall versions · no fixed version listed
  • adminerUbuntu:Pro:16.04:LTSall versions · no fixed version listed
  • adminerUbuntu:26.10all versions · no fixed version listed
  • adminerUbuntu:26.04:LTSall versions · no fixed version listed
  • adminerUbuntu:25.10all versions · no fixed version listed
  • adminerUbuntu:24.04:LTSall versions · no fixed version listed
  • adminerUbuntu:22.04:LTSall versions · no fixed version listed

4 more package ranges on OSV.dev

Vendor advisories

  • ICSA-22-130-01 CISA1 known affected

    Adminer in Industrial Products

    Adminer: Versions 1.112.0 to 4.6.2

Full record on NVD

Fix

  1. Update vrana/adminer to 4.6.3
  2. Vendor fix CISA ICSA-22-130-01 · 1 productAdminer has fixed this vulnerability and recommends users upgrade to Version 4.6.3 or later.
  3. Mitigation from the vendor CISA ICSA-22-130-01 · 1 productAdvantech R-SeeNet (Windows Installation of R-SeeNet is only affected, upgrade to Version 2.4.19 or later)

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
3 repositories, unverifiedp0dalirius/CVE-2021-43008-AdminerReadDaturaSaturated/Adminer-CVE-2021-43008Bamolitho/adminer_CVE-2021-43008
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2022-04-05
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-rxfq-3vpc-vv72

Frequently asked questions

What is CVE-2021-43008?

Improper Access Control in Adminer versions 1.12.0 to 4.6.2 (fixed in version 4.6.3) allows an attacker to achieve Arbitrary File Read on the remote server by requesting the Adminer to connect to a remote MySQL database.

Is CVE-2021-43008 actively exploited?

Active exploitation of CVE-2021-43008 has not been confirmed. Its EPSS score was 13.6% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-43008?

CVE-2021-43008 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Running vrana/adminer? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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Sources for this record