MEDIUM
CVE-2008-4998
CWE-59Published: November 7, 2008· Updated: Jun 16, 2026
6.9
CVSS v3.1
Official Description
postinst in twiki 4.1.2 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/twiki temporary file. NOTE: the vendor disputes this vulnerability, stating "this bug is invalid.
Technical Analysis
CVE-2008-4998 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 ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:L/AC:M/Au:N/C:C/I:C/A:C
Affected Vendors & Products
twiki1 product(s)
twiki
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
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NVD Detail
Official NIST entry
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CVE Program entry
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All References (8)
Quick Facts
CVE IDCVE-2008-4998
CVSS Score6.9 / 10
SeverityMEDIUM
WeaknessCWE-59
CISA KEVNo
Affected1 vendor(s)
PublishedNov 7, 2008
Related CVEs (CWE-59)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2008-4998 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.