CVE-2019-11510 Ivanti CVE debrief

Who should care

Organizations running Ivanti Pulse Connect Secure appliances, especially internet-facing deployments, should prioritize this issue. Security teams, vulnerability management owners, and incident response staff should also care because CISA has identified active exploitation and referenced additional directive guidance.

Technical summary

The available source corpus identifies CVE-2019-11510 as an arbitrary file read vulnerability affecting Ivanti Pulse Connect Secure. CISA’s KEV entry indicates the issue has been exploited in the wild and includes a reference to ED 21-03 for mitigation requirements. The corpus does not provide deeper implementation details, so the safest action is to rely on vendor updates and CISA guidance rather than assumptions about specific attack flow.

Defensive priority

High. This is a KEV-listed vulnerability with a CISA due date and known ransomware campaign use, so remediation should be expedited and tracked to completion.

Recommended defensive actions

• Apply updates per vendor instructions as directed by CISA.
• Review and follow CISA ED 21-03 guidance for Pulse Connect Secure vulnerabilities.
• Inventory all Ivanti Pulse Connect Secure instances, including externally exposed appliances.
• Validate remediation status after patching and confirm vulnerable versions are no longer present.
• Increase monitoring for signs of compromise on affected appliances and surrounding authentication or access logs.

Evidence notes

CISA’s Known Exploited Vulnerabilities catalog lists CVE-2019-11510 as an Ivanti Pulse Connect Secure arbitrary file read vulnerability, with dateAdded 2021-11-03 and dueDate 2022-05-03. The source metadata also marks knownRansomwareCampaignUse as Known and explicitly points to CISA ED 21-03 for further guidance. Official references provided include the CVE record, NVD detail page, and the CISA KEV catalog.

Official resources