MEDIUM
CVE-2019-3803
CWE-200Published: January 12, 2019· Updated: Jun 17, 2026
4.5
CVSS v3.1
Official 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.
Technical Analysis
CVE-2019-3803 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
Affected Vendors & Products
pivotal_software1 product(s)
concourse
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://pivotal.io/security/cve-2019-3803Vendor Advisory
→
https://pivotal.io/security/cve-2019-3803Vendor Advisory
Quick Facts
CVE IDCVE-2019-3803
CVSS Score4.5 / 10
SeverityMEDIUM
WeaknessCWE-200
CISA KEVNo
Affected1 vendor(s)
PublishedJan 12, 2019
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-3803 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.