How severe is CVE-2008-1804?

CVE-2008-1804 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2008-1804 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1804?

CVE-2008-1804 affects Snort. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-1804?

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

When was CVE-2008-1804 published?

CVE-2008-1804 was published on 2008-05-22 and last updated on 2026-06-16.

CVE-2008-1804

CVE-2008-1804 is a medium-severity vulnerability in Snort with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Snort
Published: 2008-05-22
Last modified: 2026-06-16

Description

preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment.

Frequently asked questions

What is CVE-2008-1804?: preprocessors/spp_frag3.c in Sourcefire Snort before 2.8.1 does not properly identify packet fragments that have dissimilar TTL values, which allows remote attackers to bypass detection rules by using a different TTL for each fragment.
How severe is CVE-2008-1804?: CVE-2008-1804 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2008-1804 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1804?: CVE-2008-1804 affects Snort. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-1804?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-1804 published?: CVE-2008-1804 was published on 2008-05-22 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:snort:snort:*:*:*:*:*:*:*:*

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