VulnerabilityModified

CVE-2016-5700

CRITICAL 9.8EPSS 6.42%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Virtual servers in F5 BIG-IP systems 11.5.0, 11.5.1 before HF11, 11.5.2, 11.5.3, 11.5.4 before HF2, 11.6.0 before HF8, 11.6.1 before HF1, 12.0.0 before HF4, and 12.1.0 before HF2, when configured with the HTTP Explicit Proxy functionality or SOCKS profile, allow remote attackers to modify the system configuration, read system files, and possibly execute arbitrary code via unspecified vectors.

CVSS 3.0: 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 6.42% probability · 94th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-284
Affected: f5/big-ip policy enforcement manager · f5/big-ip local traffic manager · f5/big-ip websafe · f5/big-ip link controller · f5/big-ip application acceleration manager · f5/big-ip access policy manager · f5/big-ip advanced firewall manager · f5/big-ip application security manager
Source: cve@mitre.org

EPSS trend

EPSS moved from 5.1% on 21 September 2026 to 6.4% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

References

http://www.securityfocus.com/bid/93325
http://www.securitytracker.com/id/1036928Third Party Advisory, VDB Entry
https://support.f5.com/kb/en-us/solutions/public/k/35/sol35520031.htmlVendor Advisory
http://www.securityfocus.com/bid/93325
http://www.securitytracker.com/id/1036928Third Party Advisory, VDB Entry
https://support.f5.com/kb/en-us/solutions/public/k/35/sol35520031.htmlVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.