What’s Vulnerable › Vulnerabilities

CVE-2002-0840

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 95.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2002-10-11 · updated 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the default error page of Apache 2.0 before 2.0.43, and 1.3.x up to 1.3.26, when UseCanonicalName is "Off" and support for wildcard DNS is present, allows remote attackers to execute script as other web page visitors via the Host: header, a different vulnerability than CAN-2002-1157.

Affected products

• Apache HTTP Server: 1.3, 1.3.1, 1.3.3, 1.3.4, 1.3.6, 1.3.9 (+23)
• Oracle Application Server: 1.0.2, 1.0.2.1s, 1.0.2.2, 9.0.2, 9.0.2-r2, 9.0.2.1
• Oracle Database: 8.1.7, 9.2.1, 9.2.2
• Oracle8I: 8.1.7, 8.1.7.1, 8.1.7_.0.0_enterprise, 8.1.7_.1.0_enterprise
• Oracle9I: 9.0, 9.0.1, 9.0.1.2, 9.0.1.3, 9.0.2

References

• http://archives.neohapsis.com/archives/bugtraq/2002-10/0254.html
• http://archives.neohapsis.com/archives/vulnwatch/2002-q4/0003.html
• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000530
• http://marc.info/?l=apache-httpd-announce&m=103367938230488&w=2
• http://marc.info/?l=bugtraq&m=103357160425708&w=2
• http://marc.info/?l=bugtraq&m=103376585508776&w=2
• http://online.securityfocus.com/advisories/4617
• http://www.apacheweek.com/issues/02-10-04
• http://www.debian.org/security/2002/dsa-187
• http://www.debian.org/security/2002/dsa-188
• http://www.debian.org/security/2002/dsa-195

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