CVE-2019-14287

CVE-2019-14287 is a high-severity vulnerability in Sudo Project Sudo with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 64% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-755.

Key facts

Description

In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause incorrect logging, by invoking sudo with a crafted user ID. For example, this allows bypass of !root configuration, and USER= logging, for a "sudo -u \#$((0xffffffff))" command.

Frequently asked questions

What is CVE-2019-14287?
In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause incorrect logging, by invoking sudo with a crafted user ID. For example, this allows bypass of !root configuration, and USER= logging, for a "sudo -u \#$((0xffffffff))" command.
How severe is CVE-2019-14287?
CVE-2019-14287 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-14287 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 64% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14287?
CVE-2019-14287 primarily affects Sudo Project Sudo. In total, 47 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-14287?
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-2019-14287 published?
CVE-2019-14287 was published on 2019-10-17 and last updated on 2026-06-17.

References

Affected products (47)

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