01 Record
CVE-2021-33604
Reflected cross-site scripting in development mode handler in Vaadin 14, 15-19
LowPUBLISHEDCNA: Vaadin
CNA base score2.5 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
02 Description
Reflected cross-site scripting in development mode handler in Vaadin 14, 15-19
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
- 0.28% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 20.8% of scored records. A rank, not a probability.
- NVD base score
- 2.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:R/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
- 2021-06-24 11:16Z5 YR AGO
- Last updated
- 2024-09-17 03:13Z2 YR AGO
- Reserved
- 2021-05-27
- Assigning CNA
- Vaadin
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.5)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-172Encoding ErrorClass
- Data version
- 5.1
- Document digest
- 142ade94b669c6100acee4f460649fef0babfdd04906c2329b7b8356950d084b
05 Affected products
VendorProductVersionsPlatforms