SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-9462

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.

HIGH 8.8EPSS 21.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 21.7%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

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 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
21.68% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-732
Affected
mercurial/mercurial · debian/debian linux · 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
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.