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CVE Record

CVE-2018-5502: On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP system wit...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2018-5502 is an availability issue in specific F5 BIG-IP 13.x deployments. A malformed client certificate may disrupt services on affected BIG-IP systems, but only where virtual servers use a Client SSL profile with client certificate authentication enabled. The management/control plane is not exposed according to the source bundle. Exposure is likely limited to organizations running BIG-IP 13.0.0 through 13.1.0.3 with virtual servers that require client certificate authentication through a Client SSL profile. Default Client SSL profiles without client certificate authentication are not described as affected. Treat this as a targeted availability risk, not a broad management-plane compromise. Prioritize review if BIG-IP handles critical customer, partner, or internal access paths using client certificate authentication. Urgency is lower where client certificate authentication is not enabled or versions are outside the affected range. Mitigation focus: Review F5 advisory K43121447 for vendor-supported fixes or workarounds.; Inventory BIG-IP versions and prioritize affected 13.0.0 through 13.1.0.3 systems.; Identify virtual servers using Client SSL profiles with client certificate authentication..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
F5 Networks, Inc.BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe)13.0.0 - 13.1.0.3Listed
Weakness

CWE details

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