How severe is CVE-2002-2103?

CVE-2002-2103 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-2103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-2103?

CVE-2002-2103 primarily affects Apache Http Server. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-2103?

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

When was CVE-2002-2103 published?

CVE-2002-2103 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-2103

CVE-2002-2103 is a medium-severity vulnerability in Apache Http Server 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.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apache Http Server
Published: 2002-12-31
Last modified: 2026-06-16

Description

Apache before 1.3.24, when writing to the log file, records a spoofed hostname from the reverse lookup of an IP address, even when a double-reverse lookup fails, which allows remote attackers to hide the original source of activities.

Frequently asked questions

What is CVE-2002-2103?: Apache before 1.3.24, when writing to the log file, records a spoofed hostname from the reverse lookup of an IP address, even when a double-reverse lookup fails, which allows remote attackers to hide the original source of activities.
How severe is CVE-2002-2103?: CVE-2002-2103 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-2103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-2103?: CVE-2002-2103 primarily affects Apache Http Server. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-2103?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-2103 published?: CVE-2002-2103 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:a:apache:http_server:1.3.9:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.11:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.12:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.13:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.14:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.15:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.16:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.17:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.18:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.19:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.20:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.22:*:*:*:*:*:*:*
cpe:2.3:a:apache:http_server:1.3.23:*:*:*:*:*:*:*

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