CVE-2015-4273: The Packet Data Network Gateway (aka PGW) component on Cisco ASR 5000 devices with software 15.0(912), 15.0...

Security readout for executives and security teams

CVE-2015-4273 is a Cisco ASR 5000 Packet Data Network Gateway issue that can let a remote attacker disrupt Session Manager service. For affected mobile packet core environments, the business impact is service availability rather than data theft. The source bundle does not provide CVSS, patch details, or exploitation evidence. Exposure appears limited to Cisco ASR 5000 deployments using the PGW component on the three listed 15.0 builds. Organizations not operating this carrier-grade gateway role are unlikely to be affected based on the provided sources. Schedule prompt exposure confirmation if Cisco ASR 5000 PGW is in use. The risk is operational disruption to packet data services, not a confirmed breach path. Escalate remediation planning once affected versions are verified. Mitigation focus: Check Cisco advisory guidance for CSCut38476 and supported fixed software.; Inventory ASR 5000 PGW deployments and confirm exact software builds.; Prioritize upgrades or vendor-approved mitigations for listed 15.0 releases..

Prepared

Jun 13, 2026, 22:22 UTC (UTC+00:00)

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