CRITICAL
CVE-2003-0694
NVD-CWE-OtherPublished: October 6, 2003· Updated: Jun 16, 2026
10.0
CVSS v3.1
Official Description
The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code via buffer overflow attacks, as demonstrated using the parseaddr function in parseaddr.c.
Technical Analysis
CVE-2003-0694 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.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C
Affected Vendors & Products
Apple2 product(s)
mac os xmac os x server
compaq1 product(s)
tru64
freebsd1 product(s)
freebsd
gentoo1 product(s)
linux
HP1 product(s)
hp-ux
IBM1 product(s)
aix
netbsd1 product(s)
netbsd
sendmail4 product(s)
advanced message serversendmailsendmail prosendmail switch
sgi1 product(s)
irix
sun2 product(s)
solarissunos
turbolinux3 product(s)
turbolinux advanced serverturbolinux serverturbolinux workstation
Source: NVD CPE · 145 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
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
All References (36)
→
http://www.cert.org/advisories/CA-2003-25.htmlPatch · Third Party Advisory · US Government Resource
→
http://www.kb.cert.org/vuls/id/784980US Government Resource
Quick Facts
CVE IDCVE-2003-0694
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessNVD-CWE-Other
CISA KEVNo
Affected11 vendor(s)
PublishedOct 6, 2003
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2003-0694 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.