HOMEVULNERABILITIESCVE-2003-0264
HIGHPOC

CVE-2003-0264

NVD-CWE-OtherPublished: May 27, 2003· Updated: Jun 16, 2026

7.5
CVSS v3.1

Official Description

Multiple buffer overflows in SLMail 5.1.0.4420 allows remote attackers to execute arbitrary code via (1) a long EHLO argument to slmail.exe, (2) a long XTRN argument to slmail.exe, (3) a long string to POPPASSWD, or (4) a long password to the POP3 server.

NVD Source

Technical Analysis

CVE-2003-0264 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2003-0264. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

seattle_lab_software1 product(s)
slmail
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://www.nextgenss.com/advisories/slmail-vulns.txt
PATCHhttp://www.nextgenss.com/advisories/slmail-vulns.txt

All References (8)

→
http://marc.info/?l=bugtraq&m=105232506011335&w=2
→
http://marc.info/?l=ntbugtraq&m=105233360321895&w=2
→
http://packetstormsecurity.com/files/161526/SLMail-5.1.0.4420-Remote-Code-Execution.html
→
http://www.nextgenss.com/advisories/slmail-vulns.txtPatch · Vendor Advisory
→
http://marc.info/?l=bugtraq&m=105232506011335&w=2
→
http://marc.info/?l=ntbugtraq&m=105233360321895&w=2
→
http://packetstormsecurity.com/files/161526/SLMail-5.1.0.4420-Remote-Code-Execution.html
→
http://www.nextgenss.com/advisories/slmail-vulns.txtPatch · Vendor Advisory

Quick Facts

CVE IDCVE-2003-0264
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedMay 27, 2003

Related CVEs (NVD-CWE-Other)

CVE-2001-1053
10.0
CVE-2001-1240
10.0
CVE-2005-4566
10.0
CVE-2005-4565
10.0
CVE-2001-0431
10.0
CVE-2001-1264
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2003-0264 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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