Juniper Networks Mist Cloud UI: SAML authentication attribute elements handling vulnerability.
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-345.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA MIST Cloud UI (Juniper Networks) Fixed in 09/02/2020
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Juniper Networks MIST Cloud UI 09/02/2020
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2020-01622 Juniper Networks Mist Cloud UI: SAML authentication certificate vulnerability.Priority LOW 37
- TI-2020-01623 Juniper Networks Mist Cloud UI: SAML authentication response handling vulnerability.Priority LOW 33
Timeline
- 2026-10-02 Threatist record created from CVE-2020-1677
- 2026-10-03 Alias added: GHSA-wx4h-wgr2-66h2
References
Advisory 1
More Juniper Mist Cloud Ui vulnerabilities
- TI-2020-01622 Juniper Networks Mist Cloud UI: SAML authentication certificate vulnerability. CVSS 3.1HIGH 8.3
- TI-2020-01623 Juniper Networks Mist Cloud UI: SAML authentication response handling vulnerability. CVSS 3.1HIGH 7.2
Sources
- CVE-2020-1677 · CVE Program
- CVE-2020-1677 · NVD
- FIRST EPSS
- GHSA-wx4h-wgr2-66h2 · GitHub Advisory Database · CC BY 4.0
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