What’s Vulnerable › Vulnerabilities

CVE-2018-5548

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-09-13 · updated 2026-06-17
• Weakness: CWE-601

Description

On BIG-IP APM 11.6.0-11.6.3, an insecure AES ECB mode is used for orig_uri parameter in an undisclosed /vdesk link of APM virtual server configured with an access profile, allowing a malicious user to build a redirect URI value using different blocks of cipher texts.

Affected products

• F5 BIG-IP APM: from 11.6.1 through 11.6.3

References

• http://sbudella.altervista.org/blog/20180911-cve-2018-5548.html
• http://www.securityfocus.com/bid/105353
• https://support.f5.com/csp/article/K66171422
• http://sbudella.altervista.org/blog/20180911-cve-2018-5548.html
• http://www.securityfocus.com/bid/105353
• https://support.f5.com/csp/article/K66171422

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