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Fencer Intel
medium 5.8

CVE-2019-11507 json

In Pulse Secure Pulse Connect Secure (PCS) 8.3.x before 8.3R7.1 and 9.0.x before 9.0R3, an XSS issue has been found on the Application Laun…

published 7y ago modified 4mo ago also EUVD-2019-3180

cvss
5.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known, plus a Nuclei check

Summary

In Pulse Secure Pulse Connect Secure (PCS) 8.3.x before 8.3R7.1 and 9.0.x before 9.0R3, an XSS issue has been found on the Application Launcher page.

Patch / fix

Is CVE-2019-11507 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

3.80% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template Pulse Secure Pulse Connect Secure - Cross-Site Scripting (Reflected) nuclei detection template
  • 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 5.8 CVSS:3.0/AC:H/AV:N/A:L/C:L/I:L/PR:N/S:C/UI:R
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.0 5.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Intel 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.