Information disclosure in Pivotal Concourse

CVE-2019-3803

Pivotal Concourse, all versions prior to 4.2.2, puts the user access token in a url during the login flow. A remote attacker who gains access to a user's browser history could obtain the access token and use it to authenticate as the user.

Vulnerability class: Information Disclosure

EPSS: 0.006 (46.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-3803?
CVE-2019-3803 is a medium-severity vulnerability in Pivotal Concourse, classified under Information Disclosure. CVSS score: 4.5/10. Published 2019-01-12.
How severe is CVE-2019-3803?
Medium severity. CVSS v3 base score is 4.5 out of 10.