CVE-2003-0201
CriticalExploitedPublic exploitBuffer overflow in the call_trans2open function in trans2.c for Samba 2.2.x before 2.2.8a, 2.0.10 and earlier 2.0.x versions, and Samba-TNG before 0.3.2, allows remote attackers to execute arbitrary code.
Published May 5, 2003 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2003-0201
Key Facts
Patch immediately- CVE-2003-0201 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Cifs-9000 Server (Hp), Samba, Samba-Tng and 6 more products.
- It is exploited in the wild, listed in Industry KEV feed since Jun 20, 2017. Public exploit code is available.
- EPSS estimates a 85% probability of exploitation in the next 30 days.
- Fixed versions are available, including rootio-samba 3.0, Samba 2.2.3a-12.3, Samba 3.0.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
85%
Higher than 99.7% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2003-0201 brief as a PDF
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Description
Buffer overflow in the call_trans2open function in trans2.c for Samba 2.2.x before 2.2.8a, 2.0.10 and earlier 2.0.x versions, and Samba-TNG before 0.3.2, allows remote attackers to execute arbitrary code.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jun 20, 2017 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
93 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Cifs-9000 ServerHp | a.01.05, a.01.06, a.01.07, a.01.08, a.01.08.01, a.01.09, a.01.09.01, a.01.09.02 | n/a |
| SambaSamba | 2.0.0, 2.0.1, 2.0.10, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6 | 3.0 |
| Samba-TngSamba-Tng | 0.3, 0.3.1 | n/a |
| Mac OS XApple | 10.2, 10.2.1, 10.2.2, 10.2.3, 10.2.4 | n/a |
| Tru64Compaq | 4.0b, 4.0d, 4.0d_pk9_bl17, 4.0f, 4.0f_pk6_bl17, 4.0f_pk7_bl18, 4.0g, 4.0g_pk3_bl17 | n/a |
Patched Releases
rootio-samba
3.0
Samba
2.2.3a-12.3, 3.0
Timeline
Publicly disclosed
May 5, 2003
Added to Industry KEV feed
Jun 20, 2017
Last updated
Aug 4, 2026
References
- advisoryRHSA-2003:137
- advisoryRHSA-2003:138
- advisoryRHSA-2003:226
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2003-0201
- patchDSA-280
FAQ
Common Questions.
Buffer overflow in the call_trans2open function in trans2.c for Samba 2.2.x before 2.2.8a, 2.0.10 and earlier 2.0.x versions, and Samba-TNG before 0.3.2, allows remote attackers to execute arbitrary code.
Affected: Cifs-9000 Server (Hp) versions a.01.05, a.01.06, a.01.07, a.01.08, a.01.08.01, a.01.09, a.01.09.01, a.01.09.02; Samba versions 2.0.0, 2.0.1, 2.0.10, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6; Samba-Tng versions 0.3, 0.3.1, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jun 20, 2017.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including rootio-samba 3.0, Samba 2.2.3a-12.3, Samba 3.0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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