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CVE-2018-5299

CRITICAL

A stack-based Buffer Overflow Vulnerability exists in the web server in Pulse Secure Pulse Connect Secure (PCS) before 8.3R4 and Pulse Policy Secure (PPS) before 5.4R4, leading to memory corruption and possibly remote code execution.

Published: Jan 16, 2018 Modified: Jun 17, 2026
CWE-787

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (2)

Vendor Product Version
pulsesecure pulse_connect_secure * ≥ 8.3r1
pulsesecure pulse_policy_secure * ≥ 5.4r1

GitHub Security Advisory GHSA-5hg9-5xp3-rm7g

A stack-based Buffer Overflow Vulnerability exists in the web server in Pulse Secure Pulse...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 3.06%

Top 14% most likely to be exploited

Threat Score 40.1 / 100

Data Sources

NVD EPSS GitHub