{"id":"CVE-2024-44930","aliases":["EUVD-2024-2505","GHSA-5x5q-cqf6-gj8r"],"status":"published","title":"Serilog Client IP Spoofing vulnerability","description":"Serilog before v2.1.0 was discovered to contain a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses by specifying an arbitrary IP as a value of X-Forwarded-For or Client-Ip headers while performing HTTP requests.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00322,"percentile":0.25476,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-348","CWE-79"],"published":"2024-08-29T00:00:00Z","modified":"2026-10-28T02:31:06Z","fixes":[{"ecosystem":"NuGet","package":"Serilog.Enrichers.ClientInfo","fixed_in":["2.1.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Serilog.Enrichers.ClientInfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Serilog.Enrichers.ClientInfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0"}]}],"versions":["1.0.0","1.1.0","1.1.1","1.1.2","1.1.3","1.1.4","1.1.4-dev01","1.2.0","1.3.0","2.0.0","2.0.1","2.0.2","2.0.3"]}],"products":[{"vendor":"serilog","product":"serilog"},{"vendor":"serilog-contrib","product":"serilog-enrichers-clientinfo"}],"references":[{"url":"https://github.com/serilog-contrib/serilog-enrichers-clientinfo/issues/29","tags":["Issue Tracking","report","web"]},{"url":"https://github.com/serilog-contrib/serilog-enrichers-clientinfo/releases/tag/v2.1.0","tags":["Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-44930","tags":["advisory"]},{"url":"https://github.com/serilog-contrib/serilog-enrichers-clientinfo/pull/38","tags":["web"]},{"url":"https://github.com/serilog-contrib/serilog-enrichers-clientinfo/commit/a72051d1900131e6fb30bcfd9491a988167fb6ac","tags":["web"]},{"url":"https://github.com/advisories/GHSA-5x5q-cqf6-gj8r"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44930.json","tags":["advisory"]},{"url":"https://github.com/serilog-contrib/serilog-enrichers-clientinfo","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-44930","description":"Serilog before v2.1.0 was discovered to contain a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses by specifying an arbitrary IP as a value of X-Forwarded-For or Client-Ip headers while performing HTTP requests.","status":"published","published":"2024-08-29T00:00:00Z","modified":"2025-03-14T15:56:25.32Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:06.811965Z"}],"euvd":[{"id":"EUVD-2024-2505","description":"Serilog before v2.1.0 was discovered to contain a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses by specifying an arbitrary IP as a value of X-Forwarded-For or Client-Ip headers while performing HTTP requests.","status":"published","published":"2024-08-29T00:00:00Z","modified":"2025-03-14T15:56:25Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:03.250545Z"}],"ghsa":[{"id":"GHSA-5x5q-cqf6-gj8r","title":"Serilog Client IP Spoofing vulnerability","description":"Serilog (before v2.1.0) contains a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses in log files by specifying an arbitrary IP as a value of X-Forwarded-For or Client-Ip headers while performing HTTP requests.\n\nIt is not possible to configure Serilog.Enrichers.ClientInfo to not trust the X-Forwarded-For header.","status":"published","published":"2024-08-29T18:31:36Z","modified":"2024-09-04T21:35:04Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79","CWE-348"],"updated_at":"2026-11-02T14:38:01.080229Z"}],"nvd":[{"id":"CVE-2024-44930","description":"Serilog before v2.1.0 was discovered to contain a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses by specifying an arbitrary IP as a value of X-Forwarded-For or Client-Ip headers while performing HTTP requests.","status":"published","published":"2024-08-29T18:15:14.83Z","modified":"2026-06-17T07:53:14.91Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:21.771404Z"}],"osv":[{"id":"CVE-2024-44930","description":"Serilog before v2.1.0 was discovered to contain a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses by specifying an arbitrary IP as a value of X-Forwarded-For or Client-Ip headers while performing HTTP requests.","status":"published","published":"2024-08-29T00:00:00Z","modified":"2026-10-28T02:31:06.462198137Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:42.322107Z"},{"id":"GHSA-5x5q-cqf6-gj8r","title":"Serilog Client IP Spoofing vulnerability","description":"Serilog (before v2.1.0) contains a Client IP Spoofing vulnerability, which allows attackers to falsify their IP addresses in log files by specifying an arbitrary IP as a value of X-Forwarded-For or Client-Ip headers while performing HTTP requests.\n\nIt is not possible to configure Serilog.Enrichers.ClientInfo to not trust the X-Forwarded-For header.","status":"published","published":"2024-08-29T18:31:36Z","modified":"2024-09-04T21:45:45.210487Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"},{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-348","CWE-79"],"updated_at":"2026-11-02T15:46:38.911014Z"}]}}