CVE-2021-3374

5.3 mediumEPSS 15%

Medium (5.3) in rstudio shiny server. EPSS 15% chance of exploitation in the next 30 days.

Directory traversal in RStudio Shiny Server before 1.5.16 allows attackers to read the application source code, involving an encoded slash.

Severity

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 15% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2021-04-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19