MEDIUM
CVE-1999-0303
NVD-CWE-OtherPublished: May 21, 1998· Updated: Jun 16, 2026
4.6
CVSS v3.1
Official Description
Buffer overflow in BNU UUCP daemon (uucpd) through long hostnames.
Technical Analysis
CVE-1999-0303 requires local access, meaning attackers must already have a foothold on the target system.
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 VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:L/AC:L/Au:N/C:P/I:P/A:P
Affected Vendors & Products
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.
All References (2)
Quick Facts
CVE IDCVE-1999-0303
CVSS Score4.6 / 10
SeverityMEDIUM
WeaknessNVD-CWE-Other
CISA KEVNo
Affected4 vendor(s)
PublishedMay 21, 1998
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-1999-0303 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.