Information disclosure in Bigswitch Big Cloud Fabric
CVE-2019-19631
An issue was discovered in Big Switch Big Monitoring Fabric 6.2 through 6.2.4, 6.3 through 6.3.9, 7.0 through 7.0.3, and 7.1 through 7.1.3; Big Cloud Fabric 4.5 through 4.5.5, 4.7 through 4.7.7, 5.0 through 5.0.1, and 5.1 through 5.1.4; and Multi-Cloud Director through 1.1.0. A read-only user can access sensitive information via an API endpoint that reveals session cookies of authenticated administrators, leading to privilege escalation.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
Weakness classification (CWE)
References
- know.bishopfox.com/advisories (Third Party Advisory)
- know.bishopfox.com/advisories/big-monitoring-fabric (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-19631?
- CVE-2019-19631 is a high-severity vulnerability in Bigswitch Big Cloud Fabric, classified under Information Disclosure. CVSS score: 8.8/10. Published 2020-01-24.
- How severe is CVE-2019-19631?
- High severity. CVSS v3 base score is 8.8 out of 10.