Vulnerability in Vanderbilt Redcap

CVE-2020-27358

An issue was discovered in REDCap 8.11.6 through 9.x before 10. The messenger's CSV feature (that allows users to export their conversation threads as CSV) allows non-privileged users to export one another's conversation threads by changing the thread_id parameter in the request to the endpoint Messenger/messenger_download_csv.php?title=Hey&thread_id={THREAD_ID}.

EPSS: 0.020 (79.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-27358?
CVE-2020-27358 is a medium-severity vulnerability in Vanderbilt Redcap, classified under Incorrect Default Permissions. CVSS score: 4.3/10. Published 2020-11-02.
How severe is CVE-2020-27358?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2020-27358 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.