Home/CVE/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
CVE

CVE-2020-27725

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

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.

MEDIUM · CVSS 4.3 EPSS 0.00295
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-401Missing Release of Memory after Effective Lifetime
▤

Affected Products & Versions

15
f5 big-ip domain name system>= 11.6.1 and <= 11.6.5
f5 big-ip domain name system>= 12.1.0 and <= 12.1.5
f5 big-ip domain name system>= 13.1.0 and < 13.1.3.5
f5 big-ip domain name system>= 14.1.0 and < 14.1.3.1
f5 big-ip domain name system>= 15.0.0 and < 15.1.1
f5 big-ip global traffic manager>= 11.6.1 and <= 11.6.5
f5 big-ip global traffic manager>= 12.1.0 and <= 12.1.5
f5 big-ip global traffic manager>= 13.1.0 and < 13.1.3.5
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · f5sirt@f5.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Dec 2020 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.f5.com/csp/article/K25595031Vendor Advisory
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