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.
References (5)
Core 5
Core References
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/03/msg00034.html
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/07/msg00005.html
Release Notes, Vendor Advisory x_refsource_confirm
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.5.1_.2F_4.5.2_.282018-03-06.29
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2276
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/07/msg00032.html
Scores
CVSS v3
9.1
EPSS
0.0060
EPSS Percentile
69.5%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Details
CWE
CWE-732
Status
published
Products (4)
debian/debian_linux
7.0
debian/debian_linux
8.0
mercurial/mercurial
< 4.5.1
pypi/mercurial
0 - 4.5.1PyPI
Published
Mar 14, 2018
Tracked Since
Feb 18, 2026