MEDIUM
CVE-2004-1901
CWE-59Published: December 31, 2004· Updated: Jun 16, 2026
5.5
CVSS v3.1
Official Description
Portage before 2.0.50-r3 allows local users to overwrite arbitrary files via a hard link attack on the lockfiles.
Technical Analysis
CVE-2004-1901 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Affected Vendors & Products
gentoo2 product(s)
portagelinux
Source: NVD CPE · 3 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 (8)
→
http://secunia.com/advisories/11305Broken Link · Patch
→
http://security.gentoo.org/glsa/glsa-200404-01.xmlVendor Advisory
→
http://www.securityfocus.com/bid/10060Broken Link · Patch · Third Party Advisory · VDB Entry
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/15754Third Party Advisory · VDB Entry
→
http://secunia.com/advisories/11305Broken Link · Patch
→
http://security.gentoo.org/glsa/glsa-200404-01.xmlVendor Advisory
→
http://www.securityfocus.com/bid/10060Broken Link · Patch · Third Party Advisory · VDB Entry
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/15754Third Party Advisory · VDB Entry
Quick Facts
CVE IDCVE-2004-1901
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-59
CISA KEVNo
Affected1 vendor(s)
PublishedDec 31, 2004
Related CVEs (CWE-59)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2004-1901 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.