How severe is CVE-2008-2167?

CVE-2008-2167 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-2167 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-2167?

CVE-2008-2167 affects Zyxel Zywall 100. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-2167?

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

When was CVE-2008-2167 published?

CVE-2008-2167 was published on 2008-05-13 and last updated on 2026-06-16.

CVE-2008-2167

CVE-2008-2167 is a medium-severity vulnerability in Zyxel Zywall 100 with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Zyxel Zywall 100
Published: 2008-05-13
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in ZyXEL ZyWALL 100 allows remote attackers to inject arbitrary web script or HTML via the Referer header, which is not properly handled in a 404 Error page.

Frequently asked questions

What is CVE-2008-2167?: Cross-site scripting (XSS) vulnerability in ZyXEL ZyWALL 100 allows remote attackers to inject arbitrary web script or HTML via the Referer header, which is not properly handled in a 404 Error page.
How severe is CVE-2008-2167?: CVE-2008-2167 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-2167 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-2167?: CVE-2008-2167 affects Zyxel Zywall 100. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-2167?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-2167 published?: CVE-2008-2167 was published on 2008-05-13 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:zyxel:zywall_100:*:*:*:*:*:*:*:*

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