CVE-2021-29842
First published: Wed Sep 15 2021(Updated: )
IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0 and Liberty 17.0.0.3 through 21.0.0.9 could allow a remote user to enumerate usernames due to a difference of responses from valid and invalid login attempts. IBM X-Force ID: 205202.
Credit: psirt@us.ibm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ibm Websphere Application Server | >=7.0.0.0<=7.0.0.45 | |
| Ibm Websphere Application Server | >=8.0.0.0<=8.0.0.15 | |
| Ibm Websphere Application Server | >=8.5<=8.5.5.20 | |
| Ibm Websphere Application Server | >=9.0.0.0<=9.0.5.9 | |
| Ibm Websphere Application Server | >=17.0.0.3<=21.0.0.9 | |
| Ibm Websphere Application Server | <=9.0 | |
| Ibm Websphere Application Server | <=8.5 | |
| Ibm Websphere Application Server | <=8.0 | |
| Ibm Websphere Application Server | <=7.0 | |
| IBM WebSphere Application Server Liberty | <=17.0.0.3 - 21.0.0.9 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-29842?
CVE-2021-29842 is a vulnerability in IBM WebSphere Application Server that allows a remote user to enumerate usernames.
Which versions of IBM WebSphere Application Server are affected by CVE-2021-29842?
IBM WebSphere Application Server 7.0, 8.0, 8.5, 9.0, and Liberty 17.0.0.3 through 21.0.0.9 are affected by CVE-2021-29842.
What is the severity of CVE-2021-29842?
The severity of CVE-2021-29842 is medium with a CVSS score of 5.3.
How can a remote user exploit CVE-2021-29842?
A remote user can exploit CVE-2021-29842 by enumerating usernames through a difference in responses from valid and invalid login attempts.
Where can I find more information about CVE-2021-29842?
You can find more information about CVE-2021-29842 on the IBM X-Force ID page (https://exchange.xforce.ibmcloud.com/vulnerabilities/205202) and the IBM support page (https://www.ibm.com/support/pages/node/6489485).
- collector/nvd-index
- collector/ibm-support
- vendor/ibm
- canonical/ibm websphere application server
- version/ibm websphere application server/7.0.0.0
- version/ibm websphere application server/7.0.0.45
- version/ibm websphere application server/8.0.0.0
- version/ibm websphere application server/8.0.0.15
- version/ibm websphere application server/8.5
- version/ibm websphere application server/8.5.5.20
- version/ibm websphere application server/9.0.0.0
- version/ibm websphere application server/9.0.5.9
- version/ibm websphere application server/17.0.0.3
- version/ibm websphere application server/21.0.0.9
- version/ibm websphere application server/9.0
- version/ibm websphere application server/8.0
- version/ibm websphere application server/7.0
- canonical/ibm websphere application server liberty
- version/ibm websphere application server liberty/17.0.0.3 - 21.0.0.9