Improper input validation in Oracle Communications_cloud_native_core_network_function_cloud_native_environment
CVE-2020-1747
A vulnerability was discovered in the PyYAML library in versions before 5.3.1, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applicati…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.053 (91.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Oracle Communications_cloud_native_core_network_function_cloud_native_environment — versions 22.1.0
- Pyyaml
- Fedoraproject Fedora — versions 30, 31, 32
- Opensuse Leap — versions 15.1
- Red Hat Pyyaml — versions 5.3.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-1747?
- CVE-2020-1747 is a critical-severity vulnerability in Oracle Communications_cloud_native_core_network_function_cloud_native_environment, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2020-03-24.
- How severe is CVE-2020-1747?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-1747 known to be exploited?
- 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.