CVE & CISA-KEV Catalog

CVE-2018-5502

HIGH
7.5
CVSS v3
NVD

Description

On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate. This vulnerability affects virtual servers associated with Client SSL profile which enables the use of client certificate authentication. Client certificate authentication is not enabled by default in Client SSL profile. There is no control plane exposure.

CWE-295Improper Certificate Validation

How to fix

Remediation Available
big-ip access policy managerNVD
Affected:>= 13.0.0, < 13.1.0.4Fixed in:13.1.0.4CVE-2018-5502derived from NVD
big-ip advanced firewall managerNVD
Affected:>= 13.0.0, < 13.1.0.4Fixed in:13.1.0.4CVE-2018-5502derived from NVD
big-ip analyticsNVD
Affected:>= 13.0.0, < 13.1.0.4Fixed in:13.1.0.4CVE-2018-5502derived from NVD
big-ip application acceleration managerNVD
Affected:>= 13.0.0, < 13.1.0.4Fixed in:13.1.0.4CVE-2018-5502derived from NVD
big-ip application security managerNVD
Affected:>= 13.0.0, < 13.1.0.4Fixed in:13.1.0.4CVE-2018-5502derived from NVD
big-ip edge gatewayNVD
Affected:>= 13.0.0, < 13.1.0.4Fixed in:13.1.0.4CVE-2018-5502derived from NVD
big-ip global traffic managerNVD
Affected:>= 13.0.0, < 13.1.0.4Fixed in:13.1.0.4CVE-2018-5502derived from NVD
big-ip link controllerNVD
Affected:>= 13.0.0, < 13.1.0.4Fixed in:13.1.0.4CVE-2018-5502derived from NVD
big-ip local traffic managerNVD
Affected:>= 13.0.0, < 13.1.0.4Fixed in:13.1.0.4CVE-2018-5502derived from NVD
big-ip policy enforcement managerNVD
Affected:>= 13.0.0, < 13.1.0.4Fixed in:13.1.0.4CVE-2018-5502derived from NVD
big-ip webacceleratorNVD
Affected:>= 13.0.0, < 13.1.0.4Fixed in:13.1.0.4CVE-2018-5502derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

1.40%probability of exploitation in 30 days
69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2015-4000Low3.7100%-Fix
CVE-2020-0601High8.189%KEVFix
CVE-2009-3555Critical9.887%-Fix
CVE-2022-26923High8.883%KEVFix
CVE-2023-27823Critical9.853%--
CVE-2022-42979High8.824%--
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.