HIGH
CVE-1999-0138
NVD-CWE-OtherPublished: June 26, 1996· Updated: Jun 16, 2026
7.2
CVSS v3.1
Official Description
The suidperl and sperl program do not give up root privileges when changing UIDs back to the original users, allowing root access.
Technical Analysis
CVE-1999-0138 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
ConfidentialityC
IntegrityC
AvailabilityC
AV:L/AC:L/Au:N/C:C/I:C/A:C
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
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PacketStorm
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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-1999-0138
CVSS Score7.2 / 10
SeverityHIGH
WeaknessNVD-CWE-Other
CISA KEVNo
Affected7 vendor(s)
PublishedJun 26, 1996
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-1999-0138 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.