Security readout for executives and security teams
Plain-English summary
This flaw affects older Pulse Secure Pulse Connect Secure VPN appliances. An authenticated user could read arbitrary files from the device, creating a serious confidentiality risk for an internet-facing remote-access platform.
Executive priority
Treat this as a high-priority VPN confidentiality issue. Patch or retire affected appliances promptly because VPN devices protect access to internal systems and commonly hold sensitive configuration material.
Technical view
CVE-2019-11538 is an NFS-related arbitrary file access issue in Pulse Connect Secure 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1. CVSS 3.0 is 7.7 with network access, low complexity, and low privileges required.
Likely exposure
Exposure is most likely where Pulse Connect Secure VPN appliances remain on the affected version branches, especially internet-facing deployments with valid user accounts available to attackers.
Exploitation context
The bundle does not mark this CVE as CISA KEV, so active exploitation is not established here. The vulnerability requires authentication, but successful exploitation could expose sensitive appliance files.
Researcher notes
Key risk is confidentiality loss from arbitrary file access on the appliance by a low-privileged authenticated attacker. The provided affected-product metadata is incomplete, but the description names Pulse Connect Secure versions and fixed release thresholds.
Mitigation direction
- Upgrade affected Pulse Connect Secure appliances beyond the fixed versions listed in the advisory.
- Check Pulse Secure or SonicWall guidance for branch-specific remediation instructions.
- Inventory all VPN appliances, including inactive or legacy remote-access gateways.
- Reduce unnecessary VPN accounts and disable stale authenticated access.
- Review appliance backups and rebuild plans for unsupported versions.
Validation and detection
- Compare appliance versions against 9.0R3.4, 8.3R7.1, 8.2R12.1, and 8.1R15.1 thresholds.
- Confirm no affected Pulse Connect Secure instance is internet-facing.
- Review VPN authentication logs for unusual successful logins before remediation.
- Check vendor advisory status for any required post-upgrade actions.
- Document remediation evidence in vulnerability management records.
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-2019-11538 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:N/A:N/C:H/I:N/PR:L/S:C/UI:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AC:L/AV:N/A:N/C:H/I:N/PR:L/S:C/UI:N3.14Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.7HighVector: CVSS:3.0/AC:L/AV:N/A:N/C:H/I:N/PR:L/S:C/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101CVE reference · x_refsource_CONFIRM
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010CVE reference · x_refsource_CONFIRM
- https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdfCVE reference · x_refsource_MISC
- https://devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-vpn-rce-chain-with-Twitter-as-case-study/CVE reference · x_refsource_MISC
- VU#927237CVE reference · third-party-advisory, x_refsource_CERT-VN
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.
