samba4: Samba 4.0 AD DC files (initially) created as world-writable if additional CIFS file shares are created on the AD DC
Published Mar 19, 2013
6.0
MEDIUMCVSS 2.0
EPSS 2.15%
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
samba4
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | samba4 | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not Vulnerable. This issue does not affect the version of samba4 as shipped with Red Hat Enterprise Linux 6.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.15% (0.02155) | 81.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.15% (0.02155) | 79.73th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.29% (0.00286) | 50.07th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.17% (0.00172) | 55.48th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.17% (0.00169) | 53.14th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.13% (0.00132) | 47.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00172) | 52.44th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (6)
- http://www.samba.org/samba/ftp/patches/security/samba-4.0.3-CVE-2013-1863.patch x_refsource_CONFIRMPatch
- http://www.samba.org/samba/security/CVE-2013-1863 x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2013-1863 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=922008 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-1863
- https://www.cve.org/CVERecord?id=CVE-2013-1863
| Link | Providers | Tags |
|---|---|---|
| http://www.samba.org/samba/ftp/patches/security/samba-4.0.3-CVE-2013-1863.patch | x_refsource_CONFIRMPatch | |
| http://www.samba.org/samba/security/CVE-2013-1863 | x_refsource_CONFIRMVendor Advisory | |
| https://access.redhat.com/security/cve/CVE-2013-1863 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=922008 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-1863 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-1863 |
Change history (0)
No recorded changes yet.