CVE-2020-1676 Juniper Networks Mist Cloud UI: SAML authentication response handling vulnerability.
Remote attackers can bypass SAML authentication by modifying valid responses, potentially gaining unauthorized access to the Juniper Mist Cloud UI.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-1676?
CVE-2020-1676 is a high-severity authentication bypass vulnerability in Juniper Networks MIST Cloud UI, published on 16 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
When SAML authentication is enabled, Juniper Networks Mist Cloud UI might incorrectly handle 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.
Weakness: CWE-20
Which versions are affected by CVE-2020-1676?
It affects 1 product.
Products include Juniper Mist Cloud Ui.
How do I fix CVE-2020-1676?
No fix has been published for CVE-2020-1676 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-1676 being exploited?
There is no known exploitation of CVE-2020-1676 in the wild and no public exploit code.
Other vulnerabilities in Juniper Networks MIST Cloud UI
Sources
Also known as GHSA-4fg4-5r24-wpff.