CVE-2010-1646

CVE-2010-1646 is a medium-severity vulnerability in Todd Miller Sudo with a CVSS 2.0 base score of 6.2. 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-264.

Key facts

Description

The secure path feature in env.c in sudo 1.3.1 through 1.6.9p22 and 1.7.0 through 1.7.2p6 does not properly handle an environment that contains multiple PATH variables, which might allow local users to gain privileges via a crafted value of the last PATH variable.

Frequently asked questions

What is CVE-2010-1646?
The secure path feature in env.c in sudo 1.3.1 through 1.6.9p22 and 1.7.0 through 1.7.2p6 does not properly handle an environment that contains multiple PATH variables, which might allow local users to gain privileges via a crafted value of the last PATH variable.
How severe is CVE-2010-1646?
CVE-2010-1646 has a CVSS 2.0 base score of 6.2, rated medium severity.
Is CVE-2010-1646 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1646?
CVE-2010-1646 primarily affects Todd Miller Sudo. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1646?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-1646 published?
CVE-2010-1646 was published on 2010-06-07 and last updated on 2026-06-16.

References

Affected products (74)

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