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CVE-2021-43008

32
FAUCET Score

CVE-2021-43008 is an improper access control vulnerability in Adminer versions 1.12.0 through 4.6.2, affecting Adminer and Debian distributions. This flaw allows an unauthenticated attacker to perform arbitrary file reads on a remote server by manipulating Adminer's connection to a remote MySQL database. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to significant data confidentiality compromise. While the EPSS score indicates a high likelihood of exploitation, there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.12.0, <= 4.6.2CPE matchmatch criteria
cpe:2.3:a:adminer:adminer:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
13.64%
Probability of exploitation in next 30 days
EPSS Percentile
96.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1364 is in the 94th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: vrana/adminerFixed in: 4.6.3

Vendor Advisories (1)

composerGHSA-rxfq-3vpc-vv72high

Files or Directories Accessible to External Parties in Adminer

Apr 6, 2022

References

github.com / vrana/adminer/releases/tag/v4.6.3
Release NotesThird Party Advisory
lists.debian.org / debian-lts-announce/2022/05/msg00012.html
Mailing ListThird Party Advisory
podalirius.net / en/cves/2021-43008
ExploitThird Party Advisory
sansec.io / research/adminer-4.6.2-file-disclosure-vulnerability
ExploitThird Party Advisory
adminer.org
Product