CVE-2020-36363

Amazon AWS CloudFront TLSv1.2_2019 allows TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 and TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, which some entities consider to be…

published August 12, 2021

CVSS
—
EPSS
1%
Percentile
52.8
In the wild
Unconfirmed
What it is

⚠️ Some ciphers in AWS CloudFront are like that one old smartphone – still working, but a bit behind the times! Think of it like a restaurant allowing outdated recipes. Sure, they still make a decent dish, but with modern cooks and fresh ingredients, why not upgrade to something tastier and safer? Using weak ciphers like TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 can expose connections to potential interception. While there’s no known exploitation yet, the risk of being outpaced in security best practices is real—it's like leaving your front door unlocked in a neighborhood where home security is a must!

Put simply

Think of it like a restaurant allowing outdated recipes. Sure, they still make a decent dish, but with modern cooks and fresh ingredients, why not upgrade to something tastier and safer? AWS CloudFront supports older TLS ciphers which some security experts consider weak. This sets the stage for potential vulnerabilities despite the current lack of reported exploits.

What to do

Using weak ciphers like TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 can expose connections to potential interception. While there’s no known exploitation yet, the risk of being outpaced in security best practices is real—it's like leaving your front door unlocked in a neighborhood where home security is a must! Consider updating your AWS configuration to disable these ciphers and enable stronger alternatives. Regularly review your security settings to align with industry standards to keep your data safe! You've got this! By taking these steps, you'll be securing your connections like a pro! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00706 · 52.8th percentile
Published
2021-08-12T21:13Z
EPSS history
Timeline
  • 12 AUG 21:13Z
    Amazon AWS CloudFront TLSv1.2_2019 allows TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 and TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, which some entities consider to be…
    cvelistv5