CVE-2019-3803

Concourse includes token in CLI authentication callback

MEDIUM
4.5
CVSS Score
Published: January 12, 2019 at 01:00 AM UTC
Updated: June 17, 2026 at 02:35 AM UTC
1 product affected across 1 vendorConcourse

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Severity
MEDIUM4.5
Exploit prediction
EPSS 0.6%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.2.2
Affected range stops below 4.2.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
https://pivotal.io/security/cve-2019-3803

CVSS

4.5MEDIUMdell
Attack Vector
LOCAL
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200

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