All vulnerabilities

Servers and applications

CVE-2011-1209

IBM WebSphere Application Server (WAS) 6.1 before 6.1.0.39 and 7.0 before 7.0.0.17 uses a weak WS-Security XML encryption algorithm, which makes it easier for remote attackers to obtain plaintext data from a (1) JAX-RPC or (2) JAX-WS Web Services request via unspecified vectors related to a "decryption attack."

Severity
Medium 4.3
Published
4 May 2011
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.7% in the next 30 daysHigher than 52% of CVEs. EPSS by FIRST, 13 Nov 2026
Weakness
CWE-310
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
IBM WebSphere Application ServerServers and applications · cpe:a:ibm:websphere_application_server
  • Version 7.0.0.15
  • Version 7.0.0.13
  • Version 7.0.0.12
  • Version 7.0.0.11
All 45 release lines
  • Version 6.1.0
  • Version 6.1.0.1
  • Version 6.1.0.2
  • Version 6.1.0.3
  • Version 6.1.0.5
  • Version 6.1.0.7
  • Version 6.1.0.9
  • Version 6.1.0.11
  • Version 6.1.0.12
  • Version 6.1.0.15
  • Version 6.1.0.17
  • Version 6.1.0.19
  • Version 6.1.0.21
  • Version 6.1.0.22
  • Version 6.1.0.23
  • Version 6.1.0.24
  • Version 6.1.0.25
  • Version 6.1.0.27
  • Version 6.1.0.29
  • Version 6.1.0.31
  • Version 6.1.0.32
  • Version 6.1.0.33
  • Version 6.1.0.35
  • Version 6.1.0.37
  • Version 6.1.1
  • Version 6.1.3
  • Version 6.1.5
  • Version 6.1.6
  • Version 6.1.7
  • Version 6.1.13
  • Version 6.1.14
  • Version 7.0.0.1
  • Version 7.0.0.2
  • Version 7.0.0.3
  • Version 7.0.0.4
  • Version 7.0.0.5
  • Version 7.0.0.6
  • Version 7.0.0.7
  • Version 7.0.0.8
  • Version 7.0.0.9
  • Version 7.0.0.10
  • Version 7.0.0.11
  • Version 7.0.0.12
  • Version 7.0.0.13
  • Version 7.0.0.15

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-1209
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-1209