Vulnerability in Oracle Peoplesoft_enterprise_peopletools
CVE-2021-28363
The urllib3 library 1.26.x before 1.26.4 for Python omits SSL certificate validation in some cases involving HTTPS to HTTPS proxies. The initial connection to the HTTPS proxy (if an SSLContext isn't given via proxy_config) doesn't verify t…
Vulnerability class: Improper Certificate Validation
EPSS: 0.021 (79.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Oracle Peoplesoft_enterprise_peopletools — versions 8.59
- Python Urllib3
- Fedoraproject Fedora — versions 34
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Third Party Advisory, Mitigation)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org
Frequently asked questions
- What is CVE-2021-28363?
- CVE-2021-28363 is a medium-severity vulnerability in Oracle Peoplesoft_enterprise_peopletools, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2021-03-15.
- How severe is CVE-2021-28363?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-28363 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.