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TI-2023-26698 Aliases CVE-2023-48957GHSA-44pq-qvmw-gj4m

PureVPN Linux client 2.0.2-Productions fails to properly handle DNS queries, allowing…

Priority MEDIUM 57CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.

Summary

PureVPN Linux client 2.0.2-Productions fails to properly handle DNS queries, allowing them to bypass the VPN tunnel and be sent directly to the ISP or default DNS servers.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0044 38th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

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

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:purevpn:purevpn:2.0.2:*:*:*:*:linux:*:*2.0.2VulnerablePureVPN
  • cpe:2.3:a:purevpn:purevpn:2.0.2:*:*:*:*:linux:*:* Versions 2.0.2 Vulnerable ·PureVPN

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-48957
  2. 2026-10-03 Alias added: GHSA-44pq-qvmw-gj4m

References

Exploit 2

  • TI-2018-04980 In PureVPN 6.0.1 on macOS, HelperTool LaunchDaemon implements an unprotected XPC service… CVSS 3.0CRITICAL 9.8
  • TI-2018-07234 PureVPN 6.0.1 for Windows suffers from a SYSTEM privilege escalation vulnerability in its… CVSS 3.0HIGH 8.8
  • TI-2018-05394 An issue was discovered in PureVPN through 5.19.4.0 on Windows. CVSS 3.0HIGH 7.8
  • TI-2018-13191 The PureVPN client before 6.1.0 for Windows stores Login Credentials (username and… CVSS 3.0HIGH 7.8

Sources

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