How severe is CVE-2020-27358?

CVE-2020-27358 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-27358 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27358?

CVE-2020-27358 affects Vanderbilt Redcap. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27358?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-27358 published?

CVE-2020-27358 was published on 2020-11-02 and last updated on 2026-06-17.

CVE-2020-27358

CVE-2020-27358 is a medium-severity vulnerability in Vanderbilt Redcap with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Vanderbilt Redcap
Published: 2020-11-02
Last modified: 2026-06-17

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}.

Frequently asked questions

What is 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}.
How severe is CVE-2020-27358?: CVE-2020-27358 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-27358 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27358?: CVE-2020-27358 affects Vanderbilt Redcap. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27358?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-27358 published?: CVE-2020-27358 was published on 2020-11-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vanderbilt:redcap:*:*:*:*:*:*:*:*

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