01 Record
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
LowPUBLISHEDCNA: ibm
CNA base score3.7 CVSS v3.xCVSS:3.0/AC:H/C:L/A:N/S:U/UI:N/PR:N/AV:N/I:N/RL:O/E:U/RC:C
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 71.0% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-09-16 15:50Z5 YR AGO
- Last updated
- 2024-09-17 01:16Z2 YR AGO
- Reserved
- 2021-03-31
- Assigning CNA
- ibm
- Record state
- PUBLISHED
- Severity
- Low (CVSS 3.7)
- CNA CVSS vector
- CVSS:3.0/AC:H/C:L/A:N/S:U/UI:N/PR:N/AV:N/I:N/RL:O/E:U/RC:C
- Weaknesses
- CWE-307Improper Restriction of Excessive Authentication AttemptsBase
- Data version
- 5.1
- Document digest
- ab8f3b6c2d137d66a640fa40d832634a1dd83072b7903745cf7518f90ace8586
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.ibm.comhttps://www.ibm.com/support/pages/node/6489485
- exchange.xforce.ibmcloud.comibm-websphere-cve202129842-info-disc (205202)https://exchange.xforce.ibmcloud.com/vulnerabilities/205202