UpHeron
All vulnerabilities

Servers and applications

CVE-2016-3657

Buffer overflow in the GlobalProtect Portal in Palo Alto Networks PAN-OS before 5.0.18, 6.0.x before 6.0.13, 6.1.x before 6.1.10, and 7.0.x before 7.0.5 allows remote attackers to cause a denial of service (device crash) or possibly execute arbitrary code via an SSL VPN request.

Severity
Critical 9.8
Published
12 Apr 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
5.0.18, 5.1.11, 6.0.13, 6.1.10
Exploit chance
4.8% in the next 30 daysHigher than 92% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Memory buffer errors (CWE-119)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read data · Change data · Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Sources
NVD

Affected software

SoftwareAffected versions
Palo Alto Networks PAN-OSServers and applications · cpe:o:paloaltonetworks:pan-os
  • From 5.0.0 before 5.0.18
  • From 5.1 before 5.1.11
  • From 6.0.0 before 6.0.13
  • From 6.1.0 before 6.1.10
  • From 7.0.0 up to 7.0.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-3657
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-3657