CVE-2011-1720
At a glance Severity Not available EPSS EPSS 21.48 % · percentile 98 (2026-10-27) State PUBLISHED Published 2011-05-13 Updated 2024-08-06 Assigner mitre NVD status Modified
Description The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods are enabled, does not create a new server handle after client authentication fails, which allows remote attackers to cause a denial of service (heap memory corruption and daemon crash) or possibly execute arbitrary code via an invalid AUTH command with one method followed by an AUTH command with a different method.
Scores Version Score Vector Scored by CVSS 2.0 MEDIUM 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:postfix:postfix:2.0.0:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.1:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.2:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.3:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.4:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.5:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.6:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.7:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.8:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.9:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.10:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.11:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.12:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.13:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.14:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.15:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.16:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.17:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.18:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.0.19:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.1.0:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.1.1:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.1.2:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.1.3:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.1.4:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.1.5:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.1.6:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.0:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.1:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.2:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.3:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.4:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.5:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.6:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.7:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.8:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.9:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.10:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.11:*:*:*:*:*:*:*cpe:2.3:a:postfix:postfix:2.2.12:*:*:*:*:*:*:*+69 more
Affected products Product Versions affected n/a
References
Sources