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TI-2021-11910 Aliases CVE-2021-31922GHSA-85qj-2cfq-3wp8

An HTTP Request Smuggling vulnerability in Pulse Secure Virtual Traffic Manager before…

Priority LOW 35CWE-444Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An HTTP Request Smuggling vulnerability in Pulse Secure Virtual Traffic Manager before 21.1 could allow an attacker to smuggle an HTTP request through an HTTP/2 Header. This vulnerability is resolved in 21.1, 20.3R1, 20.2R1, 20.1R2, 19.2R4, and 18.2R3.

Why it matters now

EPSS 0.00973 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:a:pulsesecure:virtual_traffic_manager:*:*:*:*:*:*:*:*up to 18.1; 18.3 – 19.1VulnerablePulse Secure
cpe:2.3:a:pulsesecure:virtual_traffic_manager:18.2:-:*:*:*:*:*:*18.2VulnerablePulse Secure
cpe:2.3:a:pulsesecure:virtual_traffic_manager:18.2:r1:*:*:*:*:*:*18.2 r1VulnerablePulse Secure
cpe:2.3:a:pulsesecure:virtual_traffic_manager:19.2:-:*:*:*:*:*:*19.2VulnerablePulse Secure
cpe:2.3:a:pulsesecure:virtual_traffic_manager:19.2:r1:*:*:*:*:*:*19.2 r1VulnerablePulse Secure
cpe:2.3:a:pulsesecure:virtual_traffic_manager:19.2:r2:*:*:*:*:*:*19.2 r2VulnerablePulse Secure
cpe:2.3:a:pulsesecure:virtual_traffic_manager:19.3:*:*:*:*:*:*:*19.3VulnerablePulse Secure
cpe:2.3:a:pulsesecure:virtual_traffic_manager:20.1:-:*:*:*:*:*:*20.1VulnerablePulse Secure
cpe:2.3:a:pulsesecure:virtual_traffic_manager:20.2:-:*:*:*:*:*:*20.2VulnerablePulse Secure
cpe:2.3:a:pulsesecure:virtual_traffic_manager:20.3:-:*:*:*:*:*:*20.3VulnerablePulse Secure
  • cpe:2.3:a:pulsesecure:virtual_traffic_manager:*:*:*:*:*:*:*:* Versions up to 18.1; 18.3 – 19.1 Vulnerable ·Pulse Secure
  • cpe:2.3:a:pulsesecure:virtual_traffic_manager:18.2:-:*:*:*:*:*:* Versions 18.2 Vulnerable ·Pulse Secure
  • cpe:2.3:a:pulsesecure:virtual_traffic_manager:18.2:r1:*:*:*:*:*:* Versions 18.2 r1 Vulnerable ·Pulse Secure
  • cpe:2.3:a:pulsesecure:virtual_traffic_manager:19.2:-:*:*:*:*:*:* Versions 19.2 Vulnerable ·Pulse Secure
  • cpe:2.3:a:pulsesecure:virtual_traffic_manager:19.2:r1:*:*:*:*:*:* Versions 19.2 r1 Vulnerable ·Pulse Secure
  • cpe:2.3:a:pulsesecure:virtual_traffic_manager:19.2:r2:*:*:*:*:*:* Versions 19.2 r2 Vulnerable ·Pulse Secure
  • cpe:2.3:a:pulsesecure:virtual_traffic_manager:19.3:*:*:*:*:*:*:* Versions 19.3 Vulnerable ·Pulse Secure
  • cpe:2.3:a:pulsesecure:virtual_traffic_manager:20.1:-:*:*:*:*:*:* Versions 20.1 Vulnerable ·Pulse Secure
  • cpe:2.3:a:pulsesecure:virtual_traffic_manager:20.2:-:*:*:*:*:*:* Versions 20.2 Vulnerable ·Pulse Secure
  • cpe:2.3:a:pulsesecure:virtual_traffic_manager:20.3:-:*:*:*:*:*:* Versions 20.3 Vulnerable ·Pulse Secure

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31922
  2. 2026-10-03 Alias added: GHSA-85qj-2cfq-3wp8

References

Exploit 1

  • TI-2018-14368 A stored cross-site scripting (XSS) vulnerability in the web administration user… CVSS 3.0MEDIUM 5.4
  • TI-2018-14369 Pulse Secure Virtual Traffic Manager 9.9 versions prior to 9.9r2 and 10.4r1 allow a… CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences