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.
Metrics
Affected Vendors & Products
References
History
Fri, 12 Sep 2025 20:30:00 +0000
Type | Values Removed | Values Added |
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CPEs | cpe:2.3:a:adminer:adminer:4.8.1:*:*:*:*:*:*:* |
Mon, 25 Aug 2025 22:15:00 +0000
Type | Values Removed | Values Added |
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First Time appeared |
Adminer
Adminer adminer |
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Vendors & Products |
Adminer
Adminer adminer |
Mon, 25 Aug 2025 14:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Weaknesses | CWE-502 | |
Metrics |
cvssV3_1
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Mon, 25 Aug 2025 13:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Description | 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. | |
References |
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Status: PUBLISHED
Assigner: mitre
Published: 2025-08-25T00:00:00.000Z
Updated: 2025-08-25T13:39:13.594Z
Reserved: 2025-04-20T00:00:00.000Z
Link: CVE-2025-43960

Updated: 2025-08-25T13:38:02.697Z

Status : Analyzed
Published: 2025-08-25T14:15:30.893
Modified: 2025-09-12T20:16:45.047
Link: CVE-2025-43960

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