CVE-2021-25520

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

0.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 34.2% of scored records. A rank, not a probability.

NVD base score

6.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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.

Published

2021-12-08 14:20Z4 YR AGO

Last updated

2024-08-03 20:11Z2 YR AGO

Reserved

2021-01-19

Assigning CNA

Samsung Mobile

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

95d526f4e546de6d4651b07bb65d98b872b6750690f87888824fe6555706015a

• security.samsungmobile.comhttps://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=12x_refsource_MISC