CVE-2025-43960
Last modified
CVE-2025-43960 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. 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. EPSS estimates a 0.68% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Adminer | Adminer | 4.8.1 |
References
- https://github.com/far00t01/CVE-2025-43960Exploit, Third Party Advisory
- https://www.adminer.orgProduct
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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