CVE-2023-45196

Adminer and AdminerEvo denial of service via HTTP redirect

6.9 MediumFix available

Adminer and AdminerEvo allow an unauthenticated remote attacker to cause a denial of service by connecting to an attacker-controlled service that responds with HTTP redirects. The denial of service is subject to PHP configuration limits. Adminer is no longer supported, but this issue was fixed in AdminerEvo version 4.8.4.

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: None
Integrity: None
Availability: Low

Exploit likelihood

0.58%Up 0.5 points since Jun 25, 2024

What each source reports

CVE List Score used 6.9

Adminer and AdminerEvo denial of service via HTTP redirect

Record: CVE-2023-45196
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/AU:Y
Weakness: CWE-400
Updated: 2026-11-02

EUVDEUVD-2023-49503 6.9

Record: EUVD-2023-49503
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/AU:Y
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2fjv-ffr6-wh68 6.9

Adminer and AdminerEvo allow an unauthenticated remote attacker to cause a denial of service by...

Record: GHSA-2fjv-ffr6-wh68
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

NVD 6.9

Record: CVE-2023-45196
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:X
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

OSV 6.9

Adminer and AdminerEvo denial of service via HTTP redirect

Record: CVE-2023-45196
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/AU:Y
Weakness: CWE-400
Updated: 2026-11-02

OSVDEBIAN-CVE-2023-45196 7.5

Record: DEBIAN-CVE-2023-45196
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-45196 6.9

Record: UBUNTU-CVE-2023-45196
CVSS 4.0: 6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/AU:Y
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`adminer` Debian:12	All versions, plus listed versions 4.8.1-14.8.1-24.8.1-45.1.0-15.2.1+dfsg-1 Show 12 moreShow less 5.3.0+dfsg-15.4.0+dfsg-15.4.1+dfsg-15.4.2+dfsg-15.4.3+dfsg-15.4.4+dfsg-16.0.0-16.0.1-16.0.2-16.1.0-16.1.1-16.1.2-1	None known
`adminer` Debian:13	before 4.8.1-4	4.8.1-4
`adminer` Debian:14	before 4.8.1-4	4.8.1-4
`adminer` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 4.2.1-14.2.1-1ubuntu14.2.1-1ubuntu1+esm1	None known
`adminer` Ubuntu: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
`adminer` Ubuntu: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
`adminer` Ubuntu:22.04:LTS	All versions, plus listed versions 4.7.9-24.8.1-1	None known
`adminer` Ubuntu:24.04:LTS	All versions, plus listed versions 4.8.1-14.8.1-1ubuntu14.8.1-2	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, products, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-45196 is a medium vulnerability (CVSS 6.9) in Adminer, published June 24, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 48th percentile. Fixed in adminer 4.8.1-4.