CVE-2017-9462: debian debian_linux
CVSS: 9.0v2.0HighModified
AliasesMGASA-2017-0182SUSE-SU-2017:1558-1SUSE-SU-2017:1606-1GHSA-ghjx-3jg5-h6r2PYSEC-2017-91RHSA-2017:1576UBUNTU-CVE-2017-9462DEBIAN-CVE-2017-9462DLA-1005-1
Published 06-06-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-9462 is a high (CVSS 9.0) vulnerability in debian debian_linux. EPSS estimates a 21.68% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.0/10
010
High · v2.0 (NVD)EPSS score
21.68%
0%100%
High · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1metasploit
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 06-06-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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 metrics
7 scores · 5 sources · 4 versionsHigh 8.7Preferred score · OSV · Pypi (Ecosystem advisory) · calculated from vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesSingle source
High 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · PypiEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Medium 6.3Preferred score · OSV · Red hat (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LSourcesSingle source
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
21.68%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 21.68% on 18-09-2026
18-09-202618-10-2026
EPSS score21.68%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMercurial Custom hg-ssh Wrapper Remote Code Exec
exploit/linux/ssh/mercurial_ssh_exec
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Redhat11 products
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.3 | 7.4 | 7.6
- enterprise_linux_server_eus7.3 | 7.4 | 7.5 | 7.6
- enterprise_linux_server_tus7.3 | 7.6
Debian2 products
- mercurial< 4.3.1-1 | < 2.2.2-4+deb7u4
- debian_linuxEOL8.0 | 9.0
Suse2 products
- mercurial&distro=SUSE Linux Enterprise Software Development Kit 11 SP4< 2.3.2-0.17.1
- mercurial&distro=SUSE Linux Enterprise Software Development Kit 12 SP2< 2.8.2-14.1
Mageia1 product
- mercurial< 3.1.1-5.3.mga5
Mercurial1 product
- mercurial< 4.1.3
PyPI1 product
- mercurial< 4.1.3
Ubuntu1 product
- mercurial< 2.8.2-1ubuntu1.4 | < 3.7.3-1ubuntu1.1
7 vendors · 19 products
References
27 links- access.redhat.com/errata/RHSA-2017:1576Vendor AdvisoryX Refsource REDHATThird Party AdvisoryWEBAdvisory
- www.mercurial-scm.org/repo/hg/rev/77eaf9539499X Refsource CONFIRMMailing ListVendor AdvisoryWEBREPORT
lists.debian.org/debian-lts-announce/2018/07/msg00005.htmlMailing ListX Refsource MLISTThird Party AdvisoryWEB- www.debian.org/security/2017/dsa-3963Vendor AdvisoryX Refsource DEBIANThird Party AdvisoryWEBAdvisory
- bugs.debian.org/861243X Refsource CONFIRMIssue TrackingMailing ListPatchThird Party AdvisoryWEBREPORT
