Information disclosure in Rubyonrails Actionpack Page-Caching
CVE-2021-22885
A possible information disclosure / unintended method execution vulnerability in Action Pack >= 2.0.0 when using the `redirect_to` or `polymorphic_url`helper with untrusted user input.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.041 (90.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.042 · newest: 0.041 · change: -0.001
Affected products
- Rubyonrails Actionpack Page-Caching
- Rubyonrails Rails
- Debian Linux — versions 10.0
- Https://github.com/rails/rails — versions 6.1.3.1, 6.0.3.7, 5.2.4.6, 5.2.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- hackerone.com/reports/1106652 (Exploit, Third Party Advisory)
- www.debian.org/security/2021/dsa-4929 (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210805-0009/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22885?
- CVE-2021-22885 is a high-severity vulnerability in Rubyonrails Actionpack Page-Caching, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 7.5/10. Published 2021-05-27.
- How severe is CVE-2021-22885?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-22885 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.