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CVE-2018-5505

21
FAUCET Score

CVE-2018-5505 describes a vulnerability in F5 BIG-IP versions 13.1.0 through 13.1.0.3, where the Traffic Management Microkernel (TMM) can restart when both ASM and AVR modules are provisioned and a virtual server processes DNS requests via a TCP-configured DNS profile. This medium-severity vulnerability (CVSS 5.9) has a network attack vector and high impact on availability, but requires high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, indicating a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
>= 13.1.0, < 13.1.0.4CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:*
>= 13.1.0, < 13.1.0.4CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.13%
Probability of exploitation in next 30 days
EPSS Percentile
80.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0213 is in the 67th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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/K23520761
Vendor Advisory
securityfocus.com / bid/103505
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040559
Third Party AdvisoryVDB Entry