VulnerabilityModified
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.
MEDIUM 5.3EPSS 14.4%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 14.4%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
Directory traversal in RStudio Shiny Server before 1.5.16 allows attackers to read the application source code, involving an encoded slash.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 14.42% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- rstudio/shiny server
- Source
- cve@mitre.org
References
- https://blog.rstudio.com/2021/01/13/shiny-server-1-5-16-update/Vendor Advisory
- https://github.com/colemanjp/shinyserver-directory-traversal-source-code-leakExploit, Third Party Advisory
- https://blog.rstudio.com/2021/01/13/shiny-server-1-5-16-update/Vendor Advisory
- https://github.com/colemanjp/shinyserver-directory-traversal-source-code-leakExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.