CVE-2018-5299
9.8
CRITICAL · CVSS 3.0 · EPSS 3.1% (pctl 87)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.06% — more likely to be exploited than 87% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-01-16 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| pulsesecure | pulse connect secure |
| pulsesecure | pulse policy secure |
References
→ the Explorer · watch your stack · NVD