What’s Vulnerable › Vulnerabilities

CVE-2013-1422

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-04 · updated 2026-06-16
• Weakness: CWE-203

Description

webcalendar before 1.2.7 shows the reason for a failed login (e.g., "no such user").

Affected products

• k5n.us WebCalendar: before 1.2.7 — fixed in 1.2.7

How to fix

Upgrade to a fixed version: k5n.us WebCalendar 1.2.7. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2013/07/22/8
• http://www.openwall.com/lists/oss-security/2013/07/25/4
• https://www.securityfocus.com/bid/58250/info
• http://www.openwall.com/lists/oss-security/2013/07/22/8
• http://www.openwall.com/lists/oss-security/2013/07/25/4
• https://www.securityfocus.com/bid/58250/info

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