CVEvulnerability
CVE-2020-27725
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-12-24
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:N/A:P
- Weaknesses
- CWE-401
Description
In version 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2 of BIG-IP DNS, GTM, and Link Controller, zxfrd leaks memory when listing DNS zones. Zones can be listed via TMSH, iControl or SNMP; only users with access to those services can trigger this vulnerability.
Affected configurations
• f5 big-ip domain name system (>= 11.6.1 <= 11.6.5)
• f5 big-ip domain name system (>= 12.1.0 <= 12.1.5)
• f5 big-ip domain name system (>= 13.1.0 < 13.1.3.5)
• f5 big-ip domain name system (>= 14.1.0 < 14.1.3.1)
• f5 big-ip domain name system (>= 15.0.0 < 15.1.1)
• f5 big-ip global traffic manager (>= 11.6.1 <= 11.6.5)
• f5 big-ip global traffic manager (>= 12.1.0 <= 12.1.5)
• f5 big-ip global traffic manager (>= 13.1.0 < 13.1.3.5)
• f5 big-ip global traffic manager (>= 14.1.0 < 14.1.3.1)
• f5 big-ip global traffic manager (>= 15.0.0 < 15.1.1)
• f5 big-ip link controller (>= 11.6.1 <= 11.6.5)
• f5 big-ip link controller (>= 12.1.0 <= 12.1.5)
• f5 big-ip link controller (>= 13.1.0 < 13.1.3.5)
• f5 big-ip link controller (>= 14.1.0 < 14.1.3.1)
• f5 big-ip link controller (>= 15.0.0 < 15.1.1)
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://support.f5.com/csp/article/K25595031 Vendor Advisory
- https://support.f5.com/csp/article/K25595031 Vendor Advisory