High severity · published Oct 5, 2017
CVE-2017-1000115
Mercurial prior to version 4.3 is vulnerable to a missing symlink check that can malicious repositories to modify files outside the repository
7.5
CVSS
4.8%
EPSS
No
On KEV
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.8% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.4; 7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.4; 7.5; 7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.4; 7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
ME
Mercurial · Mercurial
before 4.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-1000115
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-1000115
Third Party Advisory
http://www.debian.org/security/2017/dsa-3963
Third Party Advisory
http://www.securityfocus.com/bid/100290
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2489
Third Party Advisory
https://security.gentoo.org/glsa/201709-18
Release Notes
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.3_.2F_4.3.1_.282017-08-10.29
More from Debian Linux
10.0
CVE-2025-32433
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2026-24061
GNU InetUtils Argument Injection Vulnerability