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CVE-2017-6161

21
FAUCET Score

CVE-2017-6161 describes a denial-of-service vulnerability affecting various F5 BIG-IP products across several software versions (12.0.0-12.1.2, 11.6.0-11.6.1, 11.4.0-11.5.4, 11.2.1). When ConfigSync is enabled, attackers on adjacent networks can bypass TLS protections for mcpd connections. This medium-severity vulnerability (CVSS 5.3) has an adjacent attack vector and high attack complexity, potentially leading to resource exhaustion and a denial-of-service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 11.5.0, <= 11.5.4CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
11.2.1CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_local_traffic_manager:11.2.1:*:*:*:*:*:*:*
11.6.0CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_local_traffic_manager:11.6.0:*:*:*:*:*:*:*
11.6.1CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_local_traffic_manager:11.6.1:*:*:*:*:*:*:*
12.0.0CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_local_traffic_manager:12.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0097 is in the 96th percentile among its peer group of 1,749 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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 / csp/article/K62279530
Vendor Advisory
securityfocus.com / bid/101636
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039675
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039676
Third Party AdvisoryVDB Entry