Use After Free in Oracle Communications Network Charging And Control
CVE-2021-20227
A flaw was found in SQLite's SELECT query functionality (src/select.c). This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerability is to system availability.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Oracle Communications Network Charging And Control — versions 6.0.1
- Oracle Enterprise Manager For Database — versions 13.4.0.0
- Oracle Jd Edwards Enterpriseone Tools
- Oracle MySQL Workbench
- Oracle Outside In Technology — versions 8.5.5
- Oracle Zfs Storage Appliance Kit — versions 8.8
- Sqlite
- Sqlite — versions sqlite 3.34.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.sqlite.org/releaselog/3_34_1.html (Release Notes, Vendor Advisory)
- security.gentoo.org/glsa/202103-04 (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpuApr2021.html (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210423-0010/ (Third Party Advisory)
- www.oracle.com//security-alerts/cpujul2021.html (Patch, Third Party Advisory)
- www.oracle.com/security-alerts/cpuoct2021.html (Patch, Third Party Advisory)
- security.gentoo.org/glsa/202210-40 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20227?
- CVE-2021-20227 is a medium-severity vulnerability in Oracle Communications Network Charging And Control, classified under Use After Free. CVSS score: 5.5/10. Published 2021-03-23.
- How severe is CVE-2021-20227?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-20227 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.