How severe is CVE-2008-4998?

CVE-2008-4998 has a CVSS 2.0 base score of 6.9, rated medium severity.

Is CVE-2008-4998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4998?

CVE-2008-4998 affects Twiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-4998?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-4998 published?

CVE-2008-4998 was published on 2008-11-07 and last updated on 2026-06-16.

CVE-2008-4998

CVE-2008-4998 is a medium-severity vulnerability in Twiki with a CVSS 2.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: Medium (CVSS 2.0 base score 6.9)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Twiki
Published: 2008-11-07
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2008-4998?: 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.
How severe is CVE-2008-4998?: CVE-2008-4998 has a CVSS 2.0 base score of 6.9, rated medium severity.
Is CVE-2008-4998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4998?: CVE-2008-4998 affects Twiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-4998?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-4998 published?: CVE-2008-4998 was published on 2008-11-07 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:twiki:twiki:4.1.2:*:*:*:*:*:*:*

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