CVE-2021-43008
Files or Directories Accessible to External Parties in Adminer
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-43008- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-43008- Updated
- 2026-11-02
EUVDEUVD-2022-1830 No score
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.
- Record
EUVD-2022-1830- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rxfq-3vpc-vv72
Files or Directories Accessible to External Parties in Adminer
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.
- Record
GHSA-rxfq-3vpc-vv72- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-552
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-43008- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2021-43008- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-rxfq-3vpc-vv72
Files or Directories Accessible to External Parties in Adminer
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.
- Record
GHSA-rxfq-3vpc-vv72- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-552
- Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2021-43008- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
vrana/adminerPackagist |
1.12.0 up to 4.6.3 | 4.6.3 |
adminerDebian:12 |
before 4.6.3-1 | 4.6.3-1 |
adminerDebian:13 |
before 4.6.3-1 | 4.6.3-1 |
adminerDebian:14 |
before 4.6.3-1 | 4.6.3-1 |
adminerDebian:9 |
before 4.2.5-3+deb9u3, plus listed versions 4.2.5-34.2.5-3+deb9u14.2.5-3+deb9u2 |
4.2.5-3+deb9u3 |
vrana/adminerPackagist |
1.12.0 up to 4.6.3, plus listed versions v4.2.0v4.2.1v4.2.2v4.2.3v4.2.4 Show 8 moreShow lessv4.2.5v4.3.0v4.3.1v4.4.0v4.5.0v4.6.0v4.6.1v4.6.2 |
4.6.3 |
adminerUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 4.2.1-14.2.1-1ubuntu14.2.1-1ubuntu1+esm1 |
None known |
adminerUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 4.3.1-24.5.0-14.6.1-14.6.2-14.6.2-1ubuntu0.1~esm1 |
None known |
adminerUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 4.7.2-14.7.4-14.7.5-14.7.6-14.7.6-1ubuntu0.1~esm1 |
None known |
adminerUbuntu:22.04:LTS |
All versions, plus listed versions 4.7.9-24.8.1-1 |
None known |
Show 4 moreShow less
| Package | Affected | Fixed |
|---|---|---|
adminerUbuntu:24.04:LTS |
All versions, plus listed versions 4.8.1-14.8.1-1ubuntu14.8.1-2 |
None known |
adminerUbuntu:25.10 |
All versions, plus listed versions 4.8.1-45.2.1+dfsg-1 |
None known |
adminerUbuntu:26.10 |
All versions, plus listed versions 5.4.1+dfsg-15.4.2+dfsg-15.4.4+dfsg-16.0.0-1 |
None known |
adminerUbuntu:26.04:LTS |
All versions, plus listed versions 5.2.1+dfsg-15.3.0+dfsg-15.4.0+dfsg-15.4.1+dfsg-1 |
None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Bamolitho/adminer_CVE-2021-43008 | 2025-11-27 |
| PoC in GitHub | DaturaSaturated/Adminer-CVE-2021-43008 | 2025-11-19 |
| PoC in GitHub | p0dalirius/CVE-2021-43008-AdminerRead | 2021-12-13 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-43008 is a high vulnerability (CVSS 7.5) in Adminer, published April 5, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 13.6%, the 96th percentile. Fixed in vrana/adminer 4.6.3.