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Fencer Vulns
high 8.6

CVE-2019-11508 in the critical feed json

In Pulse Secure Pulse Connect Secure (PCS) before 8.1R15.1, 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an authenticat…

published 2019-05-08 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-3181

cvss
8.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
14.7%
EPSS 14.7% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

In Pulse Secure Pulse Connect Secure (PCS) before 8.1R15.1, 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an authenticated attacker (via the admin web interface) can exploit Directory Traversal to execute arbitrary code on the appliance.

Patch / fix

Exploit prediction

14.69% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • i.blackhat.com https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf referenced PoC, tagged "exploit" by a source, unverified
  • devco.re 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/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.6 CVSS:3.0/AC:L/AV:N/A:N/C:H/I:N/PR:N/S:C/UI:N
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 8.6 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.