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Fencer Vulns
high 7.5

CVE-2021-43008 in the critical feed json

Files or Directories Accessible to External Parties in Adminer

published 2022-04-05 4 y ago modified 2026-06-17 4 mo ago also GHSA-rxfq-3vpc-vv72 , EUVD-2022-1830

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
13.6%
EPSS 13.6% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

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.

Patch / fix

  • packagist vrana/adminer 4.6.3
  • adminer Debian 14, Debian 13, Debian 12 4.6.3-1

debian advisories DEBIAN-CVE-2021-43008

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-130-01 updated cvss 7.5

Adminer in Industrial Products

  • Adminer >= 1.112.0, <= 4.6.2
    affected: fixed in 4.6.3, mitigation “Advantech R-SeeNet (Windows Installation of R-SeeNet is only affected, upgrade to Version 2.4.19 or later)” adminer.org

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

13.64% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • sansec.io https://sansec.io/research/adminer-4.6.2-file-disclosure-vulnerability referenced PoC, tagged "exploit" by a source, unverified
  • podalirius.net https://podalirius.net/en/cves/2021-43008/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist vrana/adminer
>=1.12.0, <4.6.3
4.6.3

Classification

Weakness
  • CWE-552 Files or Directories Accessible to External Parties

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.