Source note · Setting up Mobile and Remote Access on Cisco Expressway

Field notice FN74362 lists the UC traversal zone (where Expressway-C presents a Client Authentication EKU) and MRA Onboarding cloud connections as affected by public CAs dropping Client Authentication EKU on releases X14.0.0 through X15.3.2.

Checked 2026-09-24

Vendor: Cisco
Product: Cisco Expressway
Subsystem: certificates
Deployment: on-premises
Region: not restricted
Release range: X14.0.0 to X15.3.2
Checked: 2026-09-24

Sources

Field Notice: FN74362 - Cisco Expressway: Impact on Secure Communication due to Upcoming Changes to TLS Certificates Issued by Public Certificate Authorities with Client Authentication EKU, Starting May 2026 - Workaround Provided — Cisco Systems · tier 2 current vendor documentation · FN74362 rev 1.2, Affected Products and Problem Description

Cite this note

APA

WarmTransfer. (2026, September 24). Setting up Mobile and Remote Access on Cisco Expressway: source note expressway-mra-setup-eku-fn-affected. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-mra-setup-eku-fn-affected

BibTeX

@misc{warmtransfer-claim-expressway-mra-setup-eku-fn-affected,
  title  = {Setting up Mobile and Remote Access on Cisco Expressway: source note expressway-mra-setup-eku-fn-affected},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/expressway-mra-setup-eku-fn-affected},
  note   = {Source note expressway-mra-setup-eku-fn-affected, checked 2026-09-24}
}

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