Source note · Expressway and Mobile and Remote Access
Field notice FN74362 lists Expressway X14.0.0 through X14.3.7 and X15.0.0 through X15.3.2 as affected by public CAs sunsetting the Client Authentication EKU.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- certificates
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X14.0.0-X14.3.7; X15.0.0-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, Affected Products section
Cite this note
APA
WarmTransfer. (2026, September 24). Expressway and Mobile and Remote Access: source note cucm-expressway-mra-eku-affected-versions. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-expressway-mra-eku-affected-versions
BibTeX
@misc{warmtransfer-claim-cucm-expressway-mra-eku-affected-versions,
title = {Expressway and Mobile and Remote Access: source note cucm-expressway-mra-eku-affected-versions},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-expressway-mra-eku-affected-versions},
note = {Source note cucm-expressway-mra-eku-affected-versions, checked 2026-09-24}
}