Security readout for executives and security teams
Plain-English summary
CVE-2019-11989 is a remotely triggerable denial-of-service issue in specific HPE IceWall SSO Agent Option and IceWall MFA Agent module deployments. The reported impact is service disruption, not data theft. For businesses, the concern is interruption to authentication or protected application access where these agents sit in front of critical services.
Executive priority
Treat this as an availability risk to authentication infrastructure. Prioritize confirmation if IceWall protects customer, employee, or partner access paths. Urgency depends on whether affected modules are deployed and externally reachable.
Technical view
The source describes a remote DoS vulnerability affecting IceWall SSO Agent Option 10.0 and 11.0 on listed Apache/IIS platforms, plus MFA Proxy 4.0 Agent module on Apache 2.4 for RHEL 7. No CVSS, CWE, exploit method, or patch detail is provided in the bundle.
Likely exposure
Exposure is likely limited to organizations running the named IceWall Agent Option or MFA Proxy Agent module versions and platforms. Internet-facing authentication gateways or reverse-proxy-style deployments would carry more operational risk than internal-only deployments.
Exploitation context
The provided sources do not state active exploitation, and the CVE is not marked KEV. The only supported exploitation statement is that the issue can be exploited remotely to cause denial of service.
Researcher notes
The public bundle is sparse: no CVSS vector, CWE, root cause, exploit primitive, or remediation detail is included. Analysis should stay scoped to remote denial of service in the listed HPE IceWall Agent modules until vendor advisory details are confirmed.
Mitigation direction
- Review the HPE advisory for supported fixes or configuration guidance.
- Identify all IceWall SSO Agent Option and MFA Agent module deployments.
- Prioritize internet-facing or business-critical authentication paths.
- Limit unnecessary network exposure to affected agent endpoints.
- Monitor authentication service availability, crashes, and restarts.
Validation and detection
- Inventory IceWall product, module, version, platform, and web server combinations.
- Compare deployments against the affected version and platform list.
- Check whether MFA Proxy 4.0 uses the Agent module.
- Review HPE support guidance for corrected versions or workarounds.
- Validate monitoring covers authentication gateway denial-of-service symptoms.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-11989 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbmu03941en_usCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.