CVE-2004-2086: Stack-based buffer overflow in results.stm for Sambar Server before the 6.0 production release allows remote a

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MEDIUM 5.0DOWNGRADE

CVE-2004-2086 is a medium-severity flaw (CVSS 5.0) affecting sambar server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in results.stm for Sambar Server before the 6.0 production release allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an HTTP POST request with a long query parameter.

Why this priority

EPSS top 1%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	75.5% (top 1%)
CISA exploited list	No
Published	2004-02-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sambar

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2004-02-06 05:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

sambar sambar server DOWNGRADE

Affected: 6.0 · 6.0 beta3

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy sambar-server || rpm -q sambar-server || sambar-server --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison sambar-server sudo apt install sambar-server=<VERSION_BEFORE_6.0> sudo apt-mark hold sambar-server

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list sambar-server sudo dnf downgrade sambar-server-<VERSION_BEFORE_6.0> sudo dnf versionlock add sambar-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Sambar Server 6.0 - 'results.stm' POST Buffer Overflow
Exploit-DB: Sambar Server 6 - Search Results Buffer Overflow (Metasploit)
Metasploit: Sambar 6 Search Results Buffer Overflow

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2004-2086?

sambar server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2004-2086 being exploited?

CVE-2004-2086 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2004-2086 affect?

CVE-2004-2086 affects sambar server. Severity is medium (CVSS 5.0). Stack-based buffer overflow in results.stm for Sambar Server before the 6.0 production release allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an HTTP POST request with a long query param

How urgent is CVE-2004-2086?

Priority 47/100. EPSS top 1%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2006-6624 MEDIUM 4.0 DOWNGRADE The FTP Server in Sambar Server 6.4 allows remote authenticated users to cause a denial of service (applicatio
CVE-2005-3506 MEDIUM 4.3 UPGRADE Cross-site scripting (XSS) vulnerability in proxy.asp in Sambar Server 6.3 BETA 2 and possibly earlier version
CVE-2004-2565 MEDIUM 5.0 DOWNGRADE Multiple directory traversal vulnerabilities in Sambar Server 6.1 Beta 2 on Windows, and possibly other versio
CVE-2004-2564 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in Sambar Server 6.1 Beta 2 on Windows, and possibly other
CVE-2003-1287 MEDIUM 4.6 DOWNGRADE Sambar Server before 6.0 beta 3 allows attackers with physical access to execute arbitrary code via a request

References

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