UpHeron
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Servers and applications

CVE-2015-5209

Apache Struts 2.x before 2.3.24.1 allows remote attackers to manipulate Struts internals, alter user sessions, or affect container settings via vectors involving a top object.

Severity
High 7.5
Published
29 Aug 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
9.1% in the next 30 daysHigher than 95% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed · No user action needed
Attacker can
Change data
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Sources
NVD

Affected software

SoftwareAffected versions
Apache StrutsServers and applications · cpe:a:apache:struts
  • Version 2.3.24
  • Version 2.3.23
  • Version 2.3.22
  • Version 2.3.21
All 66 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 2.0.10
  • Version 2.0.11
  • Version 2.0.11.1
  • Version 2.0.11.2
  • Version 2.0.12
  • Version 2.0.13
  • Version 2.0.14
  • Version 2.1.0
  • Version 2.1.1
  • Version 2.1.2
  • Version 2.1.3
  • Version 2.1.4
  • Version 2.1.5
  • 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 2.3.5
  • Version 2.3.6
  • Version 2.3.7
  • Version 2.3.8
  • Version 2.3.9
  • Version 2.3.10
  • Version 2.3.11
  • Version 2.3.12
  • Version 2.3.13
  • 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 2.3.17
  • Version 2.3.19
  • Version 2.3.20
  • Version 2.3.20.1
  • Version 2.3.20.2
  • Version 2.3.21
  • Version 2.3.22
  • Version 2.3.23
  • Version 2.3.24

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-5209
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-5209