CVE-2016-6876

high F5
CVSS v3 Base Score
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.7%
Exploitation probability in 30 days
Top 27% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: September 7, 2016 (3535 days ago)
Last Modified: May 6, 2026
Vendor: F5
Source: NVD

Description

The RESOLV::lookup iRule command in F5 BIG-IP LTM, APM, ASM, and Link Controller 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP AAM, AFM, and PEM 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP Analytics 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP DNS 12.0.0 before HF3; BIG-IP Edge Gateway, WebAccelerator, and WOM 10.2.1 through 10.2.4 and 11.2.1; BIG-IP GTM 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, and 11.6.x before 11.6.1; and BIG-IP PSM 10.2.1 through 10.2.4 and 11.4.0 through 11.4.1 allows remote DNS servers to cause a denial of service (CPU consumption or Traffic Management Microkernel crash) via a crafted PTR response.

CWE

CWE-399

Affected Products

f5 big-ip local traffic managerf5 big-ip webacceleratorf5 big-ip application acceleration managerf5 big-ip global traffic managerf5 big-ip link controllerf5 big-ip advanced firewall managerf5 big-ip protocol security modulef5 big-ip wan optimization managerf5 big-ip application security managerf5 big-ip policy enforcement manager

References

🔗 www.securitytracker.com 🔗 support.f5.com 🔗 www.securitytracker.com 🔗 support.f5.com