What’s Vulnerable › Vulnerabilities

CVE-2020-15336

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-26 · updated 2026-06-17
• Weakness: CWE-306

Description

Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has no authentication for /cnr requests.

Affected products

• Zyxel Cloudcnm Secumanager: 3.1.0, 3.1.1

References

• https://pierrekim.github.io/blog/2020-03-09-zyxel-secumanager-0day-vulnerabilities.html#xmpp-no-auth-cleartext
• https://www.zyxel.com/support/vulnerabilities-of-CloudCNM-SecuManager.shtml
• https://pierrekim.github.io/blog/2020-03-09-zyxel-secumanager-0day-vulnerabilities.html#xmpp-no-auth-cleartext
• https://www.zyxel.com/support/vulnerabilities-of-CloudCNM-SecuManager.shtml

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