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CVE-2016-5700

34
FAUCET Score

CVE-2016-5700 is a critical vulnerability affecting F5 BIG-IP systems across multiple versions when configured with HTTP Explicit Proxy or SOCKS profiles. This flaw allows remote attackers to modify system configurations, read sensitive files, and potentially execute arbitrary code through unspecified vectors. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or inclusion in the KEV catalog, the vulnerability has garnered significant community discussion, indicating awareness and potential interest.

Impacted Technologies

VendorProductVersion(s)CPE
11.5.0CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.5.0:*:*:*:*:*:*:*
11.5.1CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.5.1:*:*:*:*:*:*:*
11.5.2CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.5.2:*:*:*:*:*:*:*
11.5.3CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.5.3:*:*:*:*:*:*:*
11.5.4CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.5.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.42%
Probability of exploitation in next 30 days
EPSS Percentile
93.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0642 is in the 88th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.f5.com / kb/en-us/solutions/public/k/35/sol35520031.html
Vendor Advisory
securityfocus.com / bid/93325
securitytracker.com / id/1036928
Third Party AdvisoryVDB Entry