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Vulnerability details: VCID-5tnq-1pgt-r7h5
Vulnerability ID VCID-5tnq-1pgt-r7h5
Aliases CVE-2025-43960
GHSA-mqh4-2mm8-g7w9
Summary Adminer 4.8.1, when using Monolog for logging, allows a Denial of Service (memory consumption) via a crafted serialized payload (e.g., using s:1000000000), leading to a PHP Object Injection issue. Remote, unauthenticated attackers can trigger this by sending a malicious serialized object, which forces excessive memory usage, rendering Adminer’s interface unresponsive and causing a server-level DoS. While the server may recover after several minutes, multiple simultaneous requests can cause a complete crash requiring manual intervention.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-502 Deserialization of Untrusted Data
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00508 https://api.first.org/data/v1/epss?cve=CVE-2025-43960
cvssv3.1 8.6 https://github.com/far00t01/CVE-2025-43960
generic_textual HIGH https://github.com/far00t01/CVE-2025-43960
ssvc Track https://github.com/far00t01/CVE-2025-43960
cvssv3.1 8.6 https://github.com/Seldaek/monolog
ssvc Track https://github.com/Seldaek/monolog
cvssv3.1 8.6 https://github.com/vrana/adminer
generic_textual HIGH https://github.com/vrana/adminer
cvssv3.1 8.6 https://github.com/vrana/adminer/compare/v4.8.1...v4.8.2
ssvc Track https://github.com/vrana/adminer/compare/v4.8.1...v4.8.2
cvssv3.1 8.6 https://nvd.nist.gov/vuln/detail/CVE-2025-43960
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2025-43960
cvssv3.1 8.6 https://www.adminer.org
ssvc Track https://www.adminer.org
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2025-43960
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-43960
https://github.com/vrana/adminer
https://nvd.nist.gov/vuln/detail/CVE-2025-43960
CVE-2025-43960 https://github.com/far00t01/CVE-2025-43960
GHSA-mqh4-2mm8-g7w9 https://github.com/advisories/GHSA-mqh4-2mm8-g7w9
monolog https://github.com/Seldaek/monolog
v4.8.1...v4.8.2 https://github.com/vrana/adminer/compare/v4.8.1...v4.8.2
www.adminer.org https://www.adminer.org
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://github.com/far00t01/CVE-2025-43960
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-08-25T13:37:10Z/ Found at https://github.com/far00t01/CVE-2025-43960
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://github.com/Seldaek/monolog
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-08-25T13:37:10Z/ Found at https://github.com/Seldaek/monolog
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://github.com/vrana/adminer
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://github.com/vrana/adminer/compare/v4.8.1...v4.8.2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-08-25T13:37:10Z/ Found at https://github.com/vrana/adminer/compare/v4.8.1...v4.8.2
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2025-43960
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L Found at https://www.adminer.org
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-08-25T13:37:10Z/ Found at https://www.adminer.org
Exploit Prediction Scoring System (EPSS)
Percentile 0.66738
EPSS Score 0.00508
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:56:27.193402+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2025/43xxx/CVE-2025-43960.json 38.6.0