{"cve":"CVE-2017-9462","nvd":{"published":"2017-06-06T21:29:00.393","modified":"2026-06-17T01:28:09.927","status":"Modified","description":"In Mercurial before 4.1.3, \"hg serve --stdio\" allows remote authenticated users to launch the Python debugger, and consequently execute arbitrary code, by using --debugger as a repository name.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-732"],"references":["http://www.debian.org/security/2017/dsa-3963","http://www.securityfocus.com/bid/99123","https://access.redhat.com/errata/RHSA-2017:1576","https://bugs.debian.org/861243","https://lists.debian.org/debian-lts-announce/2018/07/msg00005.html"],"products":["debian:debian_linux","mercurial:mercurial","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_eus","redhat:enterprise_linux_server_tus","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T20:43:44.556243339+00:00"},"epss":{"cve":"CVE-2017-9462","score":0.21685,"percentile":0.97633,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-ghjx-3jg5-h6r2","url":"https://osv.dev/vulnerability/GHSA-ghjx-3jg5-h6r2","summary":"Mercurial has Incorrect Permission Assignment for Critical Resource","modified":"2024-10-01T19:35:47.280376Z","packages":[{"ecosystem":"PyPI","name":"mercurial","purl":"pkg:pypi/mercurial","ranges":["<4.1.3"],"fixed":["4.1.3"]}]},{"id":"PYSEC-2017-91","url":"https://osv.dev/vulnerability/PYSEC-2017-91","summary":"","modified":"2023-11-08T03:59:28.900383Z","packages":[{"ecosystem":"PyPI","name":"mercurial","purl":"pkg:pypi/mercurial","ranges":["<4.1.3"],"fixed":["4.1.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}