Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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}.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 4.3, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts limited data confidentiality, for affected systems. Impacting 1 product from vanderbilt organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-11-02T21:15:28.647

Last Modified

2026-06-17T03:09:10.300

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-276

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	vanderbilt	redcap	< 10.0	Yes

References

https://github.com/seb1055/cve-2020-27358-27359 Exploit, Third Party Advisory ([email protected])
https://www.evms.edu/research/resources_services/redcap/redcap_change_log/ Exploit, Vendor Advisory ([email protected])
https://www.ruse.tech/blog/38 Third Party Advisory ([email protected])
https://github.com/seb1055/cve-2020-27358-27359 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.evms.edu/research/resources_services/redcap/redcap_change_log/ Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.ruse.tech/blog/38 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For vanderbilt's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.