Vulnerability · Published Oct 16, 2020 · Assigned by juniper

CVE-2020-1676Juniper Networks Mist Cloud UI: SAML authentication response handling vulnerability.

High 7.2

In plain English

A high-severity improper input validation in MIST Cloud UI from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).

Severity (CVSS 3.1)7.2High

Exploit odds (30 days)0.9%top 40.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
Juniper Networks	MIST Cloud UI	unspecified – before 09/02/2020

Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References

https://kb.juniper.net/JSA11072 x_refsource_CONFIRM