How severe is CVE-2002-1823?

CVE-2002-1823 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2002-1823 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-1823?

CVE-2002-1823 affects Lonerunner Zeroo Http Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2002-1823?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2002-1823 published?

CVE-2002-1823 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-1823

CVE-2002-1823 is a high-severity vulnerability in Lonerunner Zeroo Http Server with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lonerunner Zeroo Http Server
Published: 2002-12-31
Last modified: 2026-06-16

Description

Buffer overflow in the HttpGetRequest function in Zeroo HTTP server 1.5 allows remote attackers to execute arbitrary code via a long HTTP request.

Frequently asked questions

What is CVE-2002-1823?: Buffer overflow in the HttpGetRequest function in Zeroo HTTP server 1.5 allows remote attackers to execute arbitrary code via a long HTTP request.
How severe is CVE-2002-1823?: CVE-2002-1823 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-1823 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-1823?: CVE-2002-1823 affects Lonerunner Zeroo Http Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-1823?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2002-1823 published?: CVE-2002-1823 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:lonerunner:zeroo_http_server:1.5:*:*:*:*:*:*:*