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SSL/TLS: Deprecated TLSv1.0 and TLSv1.1 Protocol Detection
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
It was possible to detect the usage of the deprecated TLSv1.0 and/or TLSv1.1 protocol on this system.
Insight
Insight
The TLSv1.0 and TLSv1.1 protocols containing known cryptographic flaws like: - CVE-2011-3389: Browser Exploit Against SSL/TLS (BEAST) - CVE-2015-0204: Factoring Attack on RSA-EXPORT Keys Padding Oracle On Downgraded Legacy Encryption (FREAK)
Affected Software
Affected Software
All services providing an encrypted communication using the TLSv1.0 and/or TLSv1.1 protocols.
Detection Method
Detection Method
Check the used TLS protocols of the services provided by this system.
Solution
Solution
It is recommended to disable the deprecated TLSv1.0 and/or TLSv1.1 protocols in favor of the TLSv1.2+ protocols. Please see the references for more information.
Common Vulnerabilities and Exposures (CVE)
References
- https://datatracker.ietf.org/doc/rfc8996/
- https://www.enisa.europa.eu/activities/identity-and-trust/library/deli
- https://bettercrypto.org/
- https://mozilla.github.io/server-side-tls/ssl-config-generator/
- https://vnhacker.blogspot.com/2011/09/beast.html
- https://web.archive.org/web/20201108095603/https://censys.io/blog/frea