02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: juniperJunos OS: Stored Cross-Site Scripting (XSS) vulnerability in captive portal
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- 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
- 0.81% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 54.2% of scored records. A rank, not a probability.
- NVD base score
- 5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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.
SCHEMA: 5.1
- Published
- 2021-10-19 18:16Z4 YR AGO
- Last updated
- 2024-09-17 00:42Z1 YR AGO
- Reserved
- 2021-04-15
- Assigning CNA
- juniper
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.0)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.1
- Document digest
- 28c5ce8e05827e7525f2a99a3df94c34428eb36fd297589d191ee210f7b28be2
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms
Juniper NetworksJunos OS12.3X48 to < 12.3X48-D105, 15.1X49 to < 15.1X49-D220, 18.3 to < 18.3R3-S5, 18.4 to < 18.4R3-S9, 19.1 to < 19.1R3-S7, 19.2 to < 19.2R3-S3, 19.3 to < 19.3R3-S4, 19.4 to < 19.4R3-S6, 20.1 to < 20.1R3, 20.2 to < 20.2R1-S1, 20.2R2, 20.3 to < 20.3R2, 20.4 to < 20.4R2, 21.1 to < 21.1R2— SRC: CNA
The following software releases have been updated to resolve this specific issue: Junos OS 12.3X48-D105, 15.1X49-D220, 18.3R3-S5, 18.4R3-S9, 19.1R3-S7, 19.2R3-S3, 19.3R3-S4, 19.4R3-S6, 20.1R3, 20.2R1-S1, 20.2R2, 20.3R2, 20.4R2, 21.1R2, 21.2R1 and all subsequent releases.
Additionally, after performing an upgrade to a resolved release, additional steps must be taken to ensure that all stored malicious scripts are removed from the configuration.