CVE-2018-20131
CWE-732Published: January 3, 2019· Updated: Jun 17, 2026
Official Description
The Code42 app before 6.8.4, as used in Code42 for Enterprise, on Linux installs with overly permissive permissions on the /usr/local/crashplan/log directory. This allows a user to manipulate symbolic links to escalate privileges, or show the contents of sensitive files that a regular user would not have access to.
Technical Analysis
CVE-2018-20131 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-732)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-20131 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts