Path traversal in samba
Priority MEDIUM 45CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
A flaw was found in samba versions 4.9.x up to 4.9.13, samba 4.10.x up to 4.10.8 and samba 4.11.x up to 4.11.0rc3, when certain parameters were set in the samba configuration file. An unauthenticated attacker could use this flaw to escape the shared directory and access the contents of directories outside the share.
Why it matters now
EPSS 0.03182 88th percentileScored 2026-11-07
Fix Fixed Red Hat: 4 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Samba | samba | samba 4.9.x up to 4.9.13; samba 4.10.x up to 4.10.8; samba 4.11.x up to 4.11.0rc3 | — | No fix listed | CNA |
- samba VendorSamba Affected samba 4.9.x up to 4.9.13; samba 4.10.x up to 4.10.8; samba 4.11.x up to 4.11.0rc3 Fixed in — No fix listed CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* | 4.9.0 – 4.9.13; 4.10.0 – 4.10.8 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.9.0:rc1:*:*:*:*:*:* | 4.9.0 rc1 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.9.0:rc2:*:*:*:*:*:* | 4.9.0 rc2 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.9.0:rc3:*:*:*:*:*:* | 4.9.0 rc3 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.9.0:rc4:*:*:*:*:*:* | 4.9.0 rc4 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.9.0:rc5:*:*:*:*:*:* | 4.9.0 rc5 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.10.0:rc1:*:*:*:*:*:* | 4.10.0 rc1 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.10.0:rc2:*:*:*:*:*:* | 4.10.0 rc2 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.10.0:rc3:*:*:*:*:*:* | 4.10.0 rc3 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.10.0:rc4:*:*:*:*:*:* | 4.10.0 rc4 | Vulnerable | Samba |
- cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* Versions 4.9.0 – 4.9.13; 4.10.0 – 4.10.8 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.9.0:rc1:*:*:*:*:*:* Versions 4.9.0 rc1 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.9.0:rc2:*:*:*:*:*:* Versions 4.9.0 rc2 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.9.0:rc3:*:*:*:*:*:* Versions 4.9.0 rc3 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.9.0:rc4:*:*:*:*:*:* Versions 4.9.0 rc4 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.9.0:rc5:*:*:*:*:*:* Versions 4.9.0 rc5 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.10.0:rc1:*:*:*:*:*:* Versions 4.10.0 rc1 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.10.0:rc2:*:*:*:*:*:* Versions 4.10.0 rc2 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.10.0:rc3:*:*:*:*:*:* Versions 4.10.0 rc3 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.10.0:rc4:*:*:*:*:*:* Versions 4.10.0 rc4 Vulnerable ·Samba
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:samba:samba:4.11.0:*:*:*:*:*:*:* | 4.11.0 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.11.0:rc1:*:*:*:*:*:* | 4.11.0 rc1 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.11.0:rc2:*:*:*:*:*:* | 4.11.0 rc2 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:4.11.0:rc3:*:*:*:*:*:* | 4.11.0 rc3 | Vulnerable | Samba |
| cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* | 19.04 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:a:samba:samba:4.11.0:*:*:*:*:*:*:* Versions 4.11.0 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.11.0:rc1:*:*:*:*:*:* Versions 4.11.0 rc1 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.11.0:rc2:*:*:*:*:*:* Versions 4.11.0 rc2 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:4.11.0:rc3:*:*:*:*:*:* Versions 4.11.0 rc3 Vulnerable ·Samba
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* Versions 19.04 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
Red Hat 4 advisories
- RHSA-2020:1878 Released 2020-04-28 · Red Hat rating Moderatesamba security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) libsmbclient-devel-4.11.2-13.el8, libwbclient-devel-4.11.2-13.el8
- Red Hat Enterprise Linux AppStream (v. 8) openchange-2.3-24.el8
- Red Hat Enterprise Linux BaseOS (v. 8) ctdb-4.11.2-13.el8, ctdb-tests-4.11.2-13.el8, libsmbclient-4.11.2-13.el8 +18
- RHSA-2020:1084 Released 2020-03-31 · Red Hat rating Moderatesamba security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) libsmbclient-4.10.4-10.el7, libwbclient-4.10.4-10.el7, samba-4.10.4-10.el7 +10
- Red Hat Enterprise Linux Client Optional (v. 7) libsmbclient-devel-4.10.4-10.el7, libwbclient-devel-4.10.4-10.el7, samba-4.10.4-10.el7 +10
- Red Hat Enterprise Linux ComputeNode (v. 7) libsmbclient-4.10.4-10.el7, libwbclient-4.10.4-10.el7, samba-4.10.4-10.el7 +9
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) libsmbclient-devel-4.10.4-10.el7, libwbclient-devel-4.10.4-10.el7, samba-4.10.4-10.el7 +11
- Red Hat Enterprise Linux Server (v. 7) libsmbclient-4.10.4-10.el7, libsmbclient-4.10.4-10.el7.ppc, libwbclient-4.10.4-10.el7 +16
- Red Hat Enterprise Linux Server Optional (v. 7) libsmbclient-devel-4.10.4-10.el7, libsmbclient-devel-4.10.4-10.el7.ppc, libwbclient-devel-4.10.4-10.el7 +14
- Red Hat Enterprise Linux Server Resilient Storage (v. 7) ctdb-4.10.4-10.el7, ctdb-tests-4.10.4-10.el7
- Red Hat Enterprise Linux Workstation (v. 7) libsmbclient-4.10.4-10.el7, libwbclient-4.10.4-10.el7, samba-4.10.4-10.el7 +11
- Red Hat Enterprise Linux Workstation Optional (v. 7) libsmbclient-devel-4.10.4-10.el7, libwbclient-devel-4.10.4-10.el7, samba-dc-4.10.4-10.el7 +8
- RHSA-2019:4023 Released 2019-12-02 · Red Hat rating Moderatesamba security and bug fix update
- Red Hat Gluster 3.5 Samba on RHEL-6 ctdb-4.9.8-110.el6rhs, libsmbclient-4.9.8-110.el6rhs, libsmbclient-devel-4.9.8-110.el6rhs +20
Show 1 more Red Hat advisories
- RHSA-2019:3253 Released 2019-10-30 · Red Hat rating Moderatesamba security and bug fix update
- Red Hat Gluster 3.5 Samba on RHEL-7 ctdb-4.9.8-109.el7rhgs, libsmbclient-4.9.8-109.el7rhgs, libsmbclient-devel-4.9.8-109.el7rhgs +20
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2020:1878 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2020:1878 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2020:1878 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2020:1084 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2020:1084 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2020:1084 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2020:1084 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2020:1084 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2020:1084 |
| Red Hat Enterprise Linux Server Resilient Storage (v. 7) | Fixed | RHSA-2020:1084 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2020:1084 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2020:1084 |
| Red Hat Gluster 3.5 Samba on RHEL-6 | Fixed | RHSA-2019:4023 |
| Red Hat Gluster 3.5 Samba on RHEL-7 | Fixed | RHSA-2019:3253 |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Virtualization 4
Timeline
- 2026-10-02 Threatist record created from CVE-2019-10197
- 2026-10-03 Alias added: GHSA-v6g6-jxr8-2r44
References
Advisory 13
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10197
- https://www.samba.org/samba/security/CVE-2019-10197.html
- https://security.netapp.com/advisory/ntap-20190903-0001/
- USN-4121-1
- 20190904 [SECURITY] [DSA 4513-1] samba security update
- DSA-4513
- openSUSE-SU-2019:2142
- FEDORA-2019-e3e521e5b3
- FEDORA-2019-eb1e982800
- FEDORA-2019-41c7fa478a
- RHSA-2019:3253
- RHSA-2019:4023
- GLSA-202003-52
More Samba vulnerabilities
- TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2017-05139 Code injection in samba KEVCVSS 3.1CRITICAL 9.8
- TI-2015-00210 The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x… CVSS 2.0HIGH 10.0
- TI-2003-00081 Buffer overflow in the SMB/CIFS packet fragment re-assembly code for SMB daemon (smbd) in… CVSS 2.0HIGH 10.0
- TI-2003-00185 Buffer overflow in the call_trans2open function in trans2.c for Samba 2.2.x before… CVSS 2.0HIGH 10.0
- TI-2007-02362 Multiple heap-based buffer overflows in the NDR parsing in smbd in Samba 3.0.0 through… CVSS 2.0HIGH 10.0
Sources
- CVE-2019-10197 · CVE Program
- CVE-2019-10197 · NVD
- FIRST EPSS
- GHSA-v6g6-jxr8-2r44 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-10197 · Red Hat security data · CC BY 4.0
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