How severe is CVE-2018-20131?

CVE-2018-20131 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-20131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20131?

CVE-2018-20131 affects Code42. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20131?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-20131 published?

CVE-2018-20131 was published on 2019-01-03 and last updated on 2026-06-17.

CVE-2018-20131

CVE-2018-20131 is a high-severity vulnerability in Code42 with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Code42
Published: 2019-01-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-20131?: 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.
How severe is CVE-2018-20131?: CVE-2018-20131 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-20131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20131?: CVE-2018-20131 affects Code42. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20131?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-20131 published?: CVE-2018-20131 was published on 2019-01-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:code42:code42:*:*:*:*:enterprise:*:*:*

More vulnerabilities in Code42

CVE-2019-15131 — Critical (CVSS 9.8): In Code42 Enterprise 6.7.5 and earlier, 6.8.4 through 6.8.8, and 7.0.0 a vulnerability has been identified that may…
CVE-2021-43269 — High (CVSS 8.8): In Code42 app before 8.8.0, eval injection allows an attacker to change a device’s proxy configuration to use a…
CVE-2019-11553 — High (CVSS 8.8): In Code42 for Enterprise through 6.8.4, an administrator without web restore permission but with the ability to manage…
CVE-2019-16861 — High (CVSS 7.3): Code42 server through 7.0.2 for Windows has an Untrusted Search Path. In certain situations, a non-administrative…
CVE-2019-16860 — High (CVSS 7.3): Code42 app through version 7.0.2 for Windows has an Untrusted Search Path. In certain situations, a non-administrative…
CVE-2020-12736 — High (CVSS 7.2): Code42 environments with on-premises server versions 7.0.4 and earlier allow for possible remote code execution. When…

All CVEs affecting Code42 →

Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities

CVE-2026-9508 — Critical (CVSS 10.0): Incorrect permission settings on a critical resource in Suprema BioStar 2 (versions 2.9.3 through 2.9.11) that allow…
CVE-2025-14988 — Critical (CVSS 10.0): A security issue has been identified in ibaPDA that could allow unauthorized actions on the file system under certain…
CVE-2025-69426 — Critical (CVSS 10.0): The Ruckus vRIoT IoT Controller firmware versions prior to 3.0.0.0 (GA) contain hardcoded credentials for an operating…
CVE-2025-12004 — Critical (CVSS 10.0): Incorrect Permission Assignment for Critical Resource vulnerability in The Wikimedia Foundation Mediawiki - Lockdown…
CVE-2014-125121 — Critical (CVSS 10.0): Array Networks vAPV (version 8.3.2.17) and vxAG (version 9.2.0.34) appliances are affected by a privilege escalation…
CVE-2025-46093 — Critical (CVSS 9.9): LiquidFiles before 4.1.2 supports FTP SITE CHMOD for mode 6777 (setuid and setgid), which allows FTPDrop users to…

Browse all CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities →