UpHeron
All vulnerabilities

Servers and applications

CVE-2016-4436

Apache Struts 2 before 2.3.29 and 2.5.x before 2.5.1 allow attackers to have unspecified impact via vectors related to improper action name clean up.

Severity
Critical 9.8
Published
3 Oct 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
6.6% in the next 30 daysHigher than 93% of CVEs. EPSS by FIRST, 11 Nov 2026
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
Apache StrutsServers and applications · cpe:a:apache:struts
  • Version 2.5
  • Version 2.5-beta3
  • Version 2.5-beta2
  • Version 2.5-beta1
All 55 release lines
  • Version 2.0.0
  • Version 2.0.1
  • Version 2.0.2
  • Version 2.0.3
  • Version 2.0.4
  • Version 2.0.5
  • Version 2.0.6
  • Version 2.0.7
  • Version 2.0.8
  • Version 2.0.9
  • Version 2.0.11
  • Version 2.0.11.1
  • Version 2.0.11.2
  • Version 2.0.12
  • Version 2.0.14
  • Version 2.1.6
  • Version 2.1.8
  • Version 2.1.8.1
  • Version 2.2.1
  • Version 2.2.1.1
  • Version 2.2.3
  • Version 2.2.3.1
  • Version 2.3.1
  • Version 2.3.1.1
  • Version 2.3.1.2
  • Version 2.3.3
  • Version 2.3.4
  • Version 2.3.4.1
  • Version 2.3.7
  • Version 2.3.8
  • Version 2.3.12
  • Version 2.3.14
  • Version 2.3.14.1
  • Version 2.3.14.2
  • Version 2.3.14.3
  • Version 2.3.15
  • Version 2.3.15.1
  • Version 2.3.15.2
  • Version 2.3.15.3
  • Version 2.3.16
  • Version 2.3.16.1
  • Version 2.3.16.2
  • Version 2.3.16.3
  • Version 2.3.20
  • Version 2.3.20.1
  • Version 2.3.20.3
  • Version 2.3.24
  • Version 2.3.24.1
  • Version 2.3.24.3
  • Version 2.3.28
  • Version 2.3.28.1
  • Version 2.5-beta1
  • Version 2.5-beta2
  • Version 2.5-beta3
  • Version 2.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-4436
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-4436