{"id":"CVE-2020-1676","aliases":["EUVD-2020-12538","GHSA-4fg4-5r24-wpff"],"status":"published","title":"Juniper Networks Mist Cloud UI: SAML authentication response handling vulnerability.","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.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00887,"percentile":0.59594,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-755"],"published":"2020-10-16T20:31:32Z","modified":"2026-06-17T03:02:10Z","products":[{"vendor":"juniper","product":"mist_cloud_ui"},{"vendor":"juniper networks","product":"mist cloud ui"}],"references":[{"url":"https://kb.juniper.net/JSA11072","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1676"},{"url":"https://github.com/advisories/GHSA-4fg4-5r24-wpff"}],"sources":{"cve":[{"id":"CVE-2020-1676","title":"Juniper Networks Mist Cloud UI: SAML authentication response handling vulnerability.","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.","status":"published","published":"2020-10-16T20:31:32.746Z","modified":"2024-09-16T23:05:26.399Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:56.213477Z"}],"euvd":[{"id":"EUVD-2020-12538","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.","status":"published","published":"2020-10-16T20:31:32Z","modified":"2024-09-16T23:05:26Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high"}],"updated_at":"2026-11-03T00:54:57.254208Z"}],"ghsa":[{"id":"GHSA-4fg4-5r24-wpff","title":"When SAML authentication is enabled, Juniper Networks Mist Cloud UI might incorrectly handle SAML...","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.","status":"published","published":"2022-05-24T17:30:52Z","modified":"2023-01-29T05:04:53Z","cwes":["CWE-755"],"updated_at":"2026-11-02T14:45:39.783328Z"}],"nvd":[{"id":"CVE-2020-1676","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.","status":"published","published":"2020-10-16T21:15:13.473Z","modified":"2026-06-17T03:02:10.747Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:19.351389Z"}]}}