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CVE-2018-5547

25
FAUCET Score

CVE-2018-5547 describes a privilege escalation vulnerability in the Windows Logon Integration feature of F5 BIG-IP APM client prior to version 7.1.7.1 for Windows. An unprivileged local user can exploit a flaw in the certificate policy dialog to access Windows Explorer, thereby gaining administrator privileges on the affected machine. This vulnerability carries a CVSS v3 score of 7.8 (High), indicating a local attack vector with low complexity and high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.1.6CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_access_policy_manager_client:7.1.6:*:*:*:*:*:*:*
7.1.6.1CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_access_policy_manager_client:7.1.6.1:*:*:*:*:*:*:*
7.1.7CPE matchmatch criteria
cpe:2.3:a:f5:big-ip_access_policy_manager_client:7.1.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 53rd percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 / csp/article/K10015187
Vendor Advisory
support.f5.com / csp/article/K10015187
securitytracker.com / id/1041511
Third Party AdvisoryVDB Entry