CVE-2002-2261

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2002-12-31 · updated 2026-06-16
Weakness: CWE-264

Description

Sendmail 8.9.0 through 8.12.6 allows remote attackers to bypass relaying restrictions enforced by the 'check_relay' function by spoofing a blank DNS hostname.

Affected products

Sendmail: 8.9.0, 8.9.1, 8.9.2, 8.9.3, 8.10, 8.10.0 (+22)

References

http://secunia.com/advisories/7826
http://securitytracker.com/id?1005748
http://www.securityfocus.com/bid/6548
http://www.sendmail.org/8.12.7.html
http://www.vupen.com/english/advisories/2009/3539
https://exchange.xforce.ibmcloud.com/vulnerabilities/10775
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6892
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8512
http://secunia.com/advisories/7826
http://securitytracker.com/id?1005748

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