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CVE-2020-27725

nvd nist
Published: Dec 24, 2020Modified: Jun 17, 2026

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4.3
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Exploitability: 2.8 / Impact: 1.4
Source: NVD

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 (15)

F5
3 products
Big Ip Domain Name System
Big Ip Global Traffic Manager
Big Ip Link Controller
Configuration A
15 vulnerable
Vulnerable SoftwareAffected Versions
F5
Big Ip Domain Name System
11.6.1 ≤ version ≤ 11.6.5
Big Ip Domain Name System
12.1.0 ≤ version ≤ 12.1.5
Big Ip Domain Name System
13.1.0 ≤ version < 13.1.3.5
Big Ip Domain Name System
14.1.0 ≤ version < 14.1.3.1
Big Ip Domain Name System
15.0.0 ≤ version < 15.1.1
F5
Big Ip Global Traffic Manager
11.6.1 ≤ version ≤ 11.6.5
Big Ip Global Traffic Manager
12.1.0 ≤ version ≤ 12.1.5
Big Ip Global Traffic Manager
13.1.0 ≤ version < 13.1.3.5
Big Ip Global Traffic Manager
14.1.0 ≤ version < 14.1.3.1
Big Ip Global Traffic Manager
15.0.0 ≤ version < 15.1.1
F5
Big Ip Link Controller
11.6.1 ≤ version ≤ 11.6.5
Big Ip Link Controller
12.1.0 ≤ version ≤ 12.1.5
Big Ip Link Controller
13.1.0 ≤ version < 13.1.3.5
Big Ip Link Controller
14.1.0 ≤ version < 14.1.3.1
Big Ip Link Controller
15.0.0 ≤ version < 15.1.1

Related CWEs

CWE-401
Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

References (2)

Source: f5sirt@f5.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.