Vulnerability in IBM Websphere Application Server
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 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.
EPSS: 0.013 (68.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Ibm Websphere Application Server — versions 7.0, 8.0, 8.5
- Ibm Websphere_application_server
- Ibm Websphere Application Server Liberty — versions 17.0.0.3, 21.0.0.9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@us.ibm.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- psirt@us.ibm.com (VDB Entry, vdb-entry, Vendor Advisory, x_refsource_XF)
Frequently asked questions
- What is CVE-2021-29842?
- CVE-2021-29842 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 5.3/10. Published 2021-09-16.
- How severe is CVE-2021-29842?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2021-29842 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.