How severe is CVE-2002-2406?

CVE-2002-2406 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-2406 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-2406?

CVE-2002-2406 primarily affects Perception Liteserve. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-2406?

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

When was CVE-2002-2406 published?

CVE-2002-2406 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-2406

CVE-2002-2406 is a medium-severity vulnerability in Perception Liteserve with a CVSS 2.0 base score of 5.0. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Perception Liteserve
Published: 2002-12-31
Last modified: 2026-06-16

Description

Buffer overflow in HTTP server in LiteServe 2.0, 2.0.1 and 2.0.2 allows remote attackers to cause a denial of service (hang) via a large number of percent characters (%) in an HTTP GET request.

Frequently asked questions

What is CVE-2002-2406?: Buffer overflow in HTTP server in LiteServe 2.0, 2.0.1 and 2.0.2 allows remote attackers to cause a denial of service (hang) via a large number of percent characters (%) in an HTTP GET request.
How severe is CVE-2002-2406?: CVE-2002-2406 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-2406 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-2406?: CVE-2002-2406 primarily affects Perception Liteserve. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-2406?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-2406 published?: CVE-2002-2406 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:perception:liteserve:2.0:*:*:*:*:*:*:*
cpe:2.3:a:perception:liteserve:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:perception:liteserve:2.0.2:*:*:*:*:*:*:*

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