CVE-2013-1863

CVE-2013-1863 is a medium-severity vulnerability in Samba with a CVSS 2.0 base score of 6.0. 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

Samba 4.x before 4.0.4, when configured as an Active Directory domain controller, uses world-writable permissions on non-default CIFS shares, which allows remote authenticated users to read, modify, create, or delete arbitrary files via standard filesystem operations.

Frequently asked questions

What is CVE-2013-1863?
Samba 4.x before 4.0.4, when configured as an Active Directory domain controller, uses world-writable permissions on non-default CIFS shares, which allows remote authenticated users to read, modify, create, or delete arbitrary files via standard filesystem operations.
How severe is CVE-2013-1863?
CVE-2013-1863 has a CVSS 2.0 base score of 6.0, rated medium severity.
Is CVE-2013-1863 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1863?
CVE-2013-1863 primarily affects Samba. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1863?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-1863 published?
CVE-2013-1863 was published on 2013-03-19 and last updated on 2026-06-16.

References

Affected products (4)

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