UpHeron
All vulnerabilities

Servers and applications

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.

Severity
Medium 5.0
Published
31 Dec 2002
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Exploit chance
6.1% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Change some data
CVSS vector
AV:N/AC:L/Au:N/C:N/I:P/A:N
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • Version 1.3.23
  • Version 1.3.22
  • Version 1.3.20
  • Version 1.3.19
All 13 release lines
  • Version 1.3.9
  • Version 1.3.11
  • Version 1.3.12
  • Version 1.3.13
  • Version 1.3.14
  • Version 1.3.15
  • Version 1.3.16
  • Version 1.3.17
  • Version 1.3.18
  • Version 1.3.19
  • Version 1.3.20
  • Version 1.3.22
  • Version 1.3.23

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2002-2103
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2002-2103