{"id":"CVE-2025-43960","aliases":["DEBIAN-CVE-2025-43960","EUVD-2025-25694","GHSA-mqh4-2mm8-g7w9","UBUNTU-CVE-2025-43960"],"status":"published","title":"Adminer PHP Object Injection issue leads to Denial of Service","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.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00735,"percentile":0.54767,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-502"],"published":"2025-08-25T00:00:00Z","modified":"2026-10-28T02:31:09Z","exploits":[{"source":"pocgithub","id":"far00t01/CVE-2025-43960","title":"far00t01/CVE-2025-43960","date":"2025-04-23","url":"https://github.com/far00t01/CVE-2025-43960"}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"vrana/adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.8.1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.8.1-1","4.8.1-2","4.8.1-4","5.1.0-1","5.2.1+dfsg-1","5.3.0+dfsg-1","5.4.0+dfsg-1","5.4.1+dfsg-1","5.4.2+dfsg-1","5.4.3+dfsg-1","5.4.4+dfsg-1","6.0.0-1","6.0.1-1"]},{"source":"osv","ecosystem":"Debian:13","package":"adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.1+dfsg-1","5.3.0+dfsg-1","5.4.0+dfsg-1","5.4.1+dfsg-1","5.4.2+dfsg-1","5.4.3+dfsg-1","5.4.4+dfsg-1","6.0.0-1","6.0.1-1"]},{"source":"osv","ecosystem":"Debian:14","package":"adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.1+dfsg-1","5.3.0+dfsg-1","5.4.0+dfsg-1","5.4.1+dfsg-1","5.4.2+dfsg-1","5.4.3+dfsg-1","5.4.4+dfsg-1","6.0.0-1","6.0.1-1"]},{"source":"osv","ecosystem":"Packagist","package":"vrana/adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.8.1"}]}],"versions":["v4.2.0","v4.2.1","v4.2.2","v4.2.3","v4.2.4","v4.2.5","v4.3.0","v4.3.1","v4.4.0","v4.5.0","v4.6.0","v4.6.1","v4.6.2","v4.6.3","v4.7.0","v4.7.1","v4.7.2","v4.7.3","v4.7.4","v4.7.5","v4.7.6","v4.7.7","v4.7.8","v4.7.9","v4.8.0","v4.8.1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.2.1-1","4.2.1-1ubuntu1","4.2.1-1ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.1-2","4.5.0-1","4.6.1-1","4.6.2-1","4.6.2-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.2-1","4.7.4-1","4.7.5-1","4.7.6-1","4.7.6-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.9-2","4.8.1-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.8.1-1","4.8.1-1ubuntu1","4.8.1-2"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.8.1-4","5.2.1+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.4.1+dfsg-1","5.4.2+dfsg-1","5.4.4+dfsg-1","6.0.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"adminer","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.1+dfsg-1","5.3.0+dfsg-1","5.4.0+dfsg-1","5.4.1+dfsg-1"]}],"products":[{"vendor":"adminer","product":"adminer"}],"references":[{"url":"https://github.com/vrana/adminer/compare/v4.8.1...v4.8.2","tags":["Release Notes","web","report"]},{"url":"https://www.adminer.org","tags":["Product","web","report"]},{"url":"https://github.com/Seldaek/monolog","tags":["Product","package","report"]},{"url":"https://github.com/far00t01/CVE-2025-43960","tags":["Exploit","Third Party Advisory","package","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-43960","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mqh4-2mm8-g7w9"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/43xxx/CVE-2025-43960.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-43960","tags":["advisory"]},{"url":"https://github.com/vrana/adminer","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2025-43960","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-43960","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-43960","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.","status":"published","published":"2025-08-25T00:00:00Z","modified":"2025-08-25T13:39:13.594Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high","assessor":"adp"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:27.28543Z"}],"euvd":[{"id":"EUVD-2025-25694","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.","status":"published","published":"2025-08-25T00:00:00Z","modified":"2025-08-25T13:39:13Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T20:31:54.001843Z"}],"ghsa":[{"id":"GHSA-mqh4-2mm8-g7w9","title":"Adminer PHP Object Injection issue leads to Denial of Service","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.","status":"published","published":"2025-08-25T15:32:00Z","modified":"2025-08-25T21:50:03Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:38:54.795089Z"}],"nvd":[{"id":"CVE-2025-43960","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.","status":"published","published":"2025-08-25T14:15:30.893Z","modified":"2026-06-17T09:24:49.537Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:11:25.261243Z"}],"osv":[{"id":"CVE-2025-43960","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.","status":"published","published":"2025-08-25T00:00:00Z","modified":"2026-10-28T02:31:09.453585595Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:44:49.707645Z"},{"id":"DEBIAN-CVE-2025-43960","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.","status":"published","published":"2025-08-25T14:15:30.893Z","modified":"2026-09-01T20:05:52.555584432Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:45:47.378563Z"},{"id":"GHSA-mqh4-2mm8-g7w9","title":"Adminer PHP Object Injection issue leads to Denial of Service","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.","status":"published","published":"2025-08-25T15:32:00Z","modified":"2025-08-25T22:59:48.749614Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:52.170928Z"},{"id":"UBUNTU-CVE-2025-43960","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.","status":"published","published":"2025-08-25T14:15:00Z","modified":"2026-10-17T12:56:51.808748554Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T16:55:50.31802Z"}]}}