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NVD / CVE Program· CNA mitre

CVE-2004-0686: Buffer overflow in Samba 2.2.x to 2.2.9, and 3.0.0 to 3.0.4, when the "mangling method = hash" option is enabled in smb.conf, has unknown…

MediumCVSS 5.0 · v2.0—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 21/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 3.6% (FIRST EPSS); higher than 89.8% of all records.
  • No special conditions are required; it is repeatable.
  • Fixed version: samba (Debian:12) 3.0.5; samba (Red Hat:enterprise_linux:3::as) 0:3.0.4-6.3E; samba-client (Red Hat:enterprise_linux:3::as) 0:3.0.4-6.3E.

Low priority for now. Upgrade to samba (Debian:12) 3.0.5; samba (Red Hat:enterprise_linux:3::as) 0:3.0.4-6.3E; samba-client (Red Hat:enterprise_linux:3::as) 0:3.0.4-6.3E or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Buffer overflow in Samba 2.2.x to 2.2.9, and 3.0.0 to 3.0.4, when the "mangling method = hash" option is enabled in smb.conf, has unknown impact and attack vectors.

Published
Jul 27, 2004
Updated
Jun 16, 2026
EPSS
3.6% · 89th percentile
CWE
—

Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
20 / 40 · 5.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 3.6%

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  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

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  • when exploit code appears or is weaponized
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  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
sambasamba
trustixsecure linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • samba samba2.2.0 and later · before 2.2.10
  • samba samba3.0.0 and later · before 3.0.5
  • trustix secure linux1.5
  • trustix secure linux2.0
  • trustix secure linux2.1

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12sambabefore 3.0.53.0.5
Red Hat:enterprise_linux:3::assambabefore 0:3.0.4-6.3E0:3.0.4-6.3E
Red Hat:enterprise_linux:3::assamba-clientbefore 0:3.0.4-6.3E0:3.0.4-6.3E
Red Hat:enterprise_linux:3::assamba-commonbefore 0:3.0.4-6.3E0:3.0.4-6.3E
Red Hat:enterprise_linux:3::assamba-swatbefore 0:3.0.4-6.3E0:3.0.4-6.3E

Same product

samba: all records

Other highest-scoring records for the same primary product.

  • CVE-2017-7494Samba since version 3.5.0 and before 4.6.4, 4.5.10 and 4.4.14 is vulnerable to remote code execution vulnerability, allowing a malicious…KEV
    99Now
  • CVE-2015-0240The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x before 4.0.25, 4.1.x before 4.1.17, and 4.2.x…
    66This week
  • CVE-2003-0085Buffer overflow in the SMB/CIFS packet fragment re-assembly code for SMB daemon (smbd) in Samba before 2.2.8, and Samba-TNG before 0.3.1…
    66This week

Published before and after this one in the same product

  • ← EarlierCVE-2004-0186Mar 15, 2004 · smbmnt in Samba 2.x and 3.x on Linux 2.6, when installed setuid, allows local users to gain root privileges by mounting a Samba share that…
    28Monitor
  • ← EarlierCVE-2004-0600Jul 27, 2004 · Buffer overflow in the Samba Web Administration Tool (SWAT) in Samba 3.0.2 to 3.0.4 allows remote attackers to execute arbitrary code via…
    49Plan
  • Later →CVE-2004-0807Sep 13, 2004 · Samba 3.0.6 and earlier allows remote attackers to cause a denial of service (infinite loop and memory exhaustion) via certain malformed…
    22Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:samba3.0.5 · Debian:12Package registry (OSV)
red hat:samba0:3.0.4-6.3E · Red Hat:enterprise_linux:3::asPackage registry (OSV)
red hat:samba-client0:3.0.4-6.3E · Red Hat:enterprise_linux:3::asPackage registry (OSV)
red hat:samba-common0:3.0.4-6.3E · Red Hat:enterprise_linux:3::asPackage registry (OSV)
red hat:samba-swat0:3.0.4-6.3E · Red Hat:enterprise_linux:3::asPackage registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate · public bounty program.

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
P · data or configuration can be modified
Availability
none
Attack complexity
Low
Confidentiality impact
None
Integrity impact
P
Availability impact
None

Weakness class (CWE)

—

CVSS vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

References

Show all references (15 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records