CVE-2020-1677

Juniper Networks Mist Cloud UI: SAML authentication attribute elements handling vulnerability.

Description

When SAML authentication is enabled, Juniper Networks Mist Cloud UI might incorrectly handle child elements in SAML responses, allowing a remote attacker to modify a valid SAML response without invalidating its cryptographic signature to bypass SAML authentication security controls. This issue affects all Juniper Networks Mist Cloud UI versions prior to September 2 2020.

Remediation

Solution:

  • Mist Cloud UI has been updated on September 2 2020 to resolve this specific issue.

Workaround:

  • No workarounds are required since the issue has been resolved in the Mist cloud UI.

Categories

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Vendor Advisory juniper.net
Affected: Juniper Networks MIST Cloud UI
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA11072 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-1677?
CVE-2020-1677 has been scored as a high severity vulnerability.
How to fix CVE-2020-1677?
To fix CVE-2020-1677: Mist Cloud UI has been updated on September 2 2020 to resolve this specific issue.
Is CVE-2020-1677 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-1677 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-1677?
CVE-2020-1677 affects Juniper Networks MIST Cloud UI.
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