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...
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."
Exploit likelihood
What each source reports
NVD Score used
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."
- Record
CVE-2011-1209- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-310
- Updated
- 2026-11-02
CVE List No score
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."
- Record
CVE-2011-1209- Updated
- 2026-11-02
EUVDEUVD-2011-1217 No score
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."
- Record
EUVD-2011-1217- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c833-h92x-3p97 No score
IBM WebSphere Application Server (WAS) 6.1 before 6.1.0.39 and 7.0 before 7.0.0.17 uses a weak WS...
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."
- Record
GHSA-c833-h92x-3p97- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-1209 is a medium vulnerability (CVSS 4.3) in Ibm Websphere Application Server, published May 4, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. No source names a fixed version.