CVE-2020-27358

MEDIUM
4.3
CVSS Score
Published: October 31, 2020 at 04:18 PM UTC
Updated: June 17, 2026 at 03:09 AM UTC
1 product affected across 1 vendorRedcap

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Severity
MEDIUM4.3
Exploit prediction
EPSS 2%

Description

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}.

Affected

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

8.11.6 ≤ v < 10.0
Affected range stops below 10.0, 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:

References (3)

x_refsource_MISCExploitThird Party Advisory
https://github.com/seb1055/cve-2020-27358-27359
x_refsource_MISCThird Party Advisory
https://www.ruse.tech/blog/38

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-276

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