CVE-2017-1000115

Mercurial vulnerability

CVSS

7.5

EPSS

4.8%

EPSS pct

91th

Exploited

No known

Mercurial prior to version 4.3 is vulnerable to a missing symlink check that can malicious repositories to modify files outside the repository

Affected vendor

Mercurial

Affected product

Mercurial

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness type (CWE)

CWE-59 — Link Following

Published

2017-10-05

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 4.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2017-1000115

Confirm whether Mercurial Mercurial is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-1000115.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-1000115

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