{"cve":"CVE-2018-1000132","nvd":{"published":"2018-03-14T13:29:00.407","modified":"2026-06-17T01:32:29.817","status":"Modified","description":"Mercurial version 4.5 and earlier contains a Incorrect Access Control (CWE-285) vulnerability in Protocol server that can result in Unauthorized data access. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been fixed in 4.5.1.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1},"cwes":["CWE-732"],"references":["https://access.redhat.com/errata/RHSA-2019:2276","https://lists.debian.org/debian-lts-announce/2018/03/msg00034.html","https://lists.debian.org/debian-lts-announce/2018/07/msg00005.html","https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html","https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.5.1_.2F_4.5.2_.282018-03-06.29"],"products":["debian:debian_linux","mercurial:mercurial"],"source":"nvd","synced_at":"2026-10-19T20:48:50.842038930+00:00"},"epss":{"cve":"CVE-2018-1000132","score":0.02617,"percentile":0.85445,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-4mr4-7vjv-9hm6","url":"https://osv.dev/vulnerability/GHSA-4mr4-7vjv-9hm6","summary":"Mercurial Incorrect Access Control vulnerability","modified":"2024-09-24T21:33:31.790596Z","packages":[{"ecosystem":"PyPI","name":"mercurial","purl":"pkg:pypi/mercurial","ranges":["<4.5.1"],"fixed":["4.5.1"]}]},{"id":"PYSEC-2018-87","url":"https://osv.dev/vulnerability/PYSEC-2018-87","summary":"","modified":"2026-06-10T17:01:23.646538700Z","packages":[{"ecosystem":"PyPI","name":"mercurial","purl":"pkg:pypi/mercurial","ranges":["<4.5.1"],"fixed":["4.5.1"]}]}],"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."]}