Path Traversal in Rstudio Shiny Server
CVE-2021-3374
Directory traversal in RStudio Shiny Server before 1.5.16 allows attackers to read the application source code, involving an encoded slash.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.144 (96.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Rstudio Shiny_server
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-3374?
- CVE-2021-3374 is a medium-severity vulnerability in Rstudio Shiny Server, classified under Path Traversal. CVSS score: 5.3/10. Published 2021-04-02.
- How severe is CVE-2021-3374?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-3374 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.