CVE-2021-33849

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

1.08% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 62.7% 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.

Published

2021-10-05 21:43Z4 YR AGO

Last updated

2024-08-04 00:05Z2 YR AGO

Reserved

2021-06-04

Assigning CNA

CSW

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

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

Data version

5.1

Document digest

70e70ee37da65228876bedb6ae675a8c844325bf897d1b1e7b5a71c7f1016feb

• cybersecurityworks.comhttps://cybersecurityworks.com/zerodays/cve-2020-29322-telnet-hardcoded-credentials.htmlx_refsource_MISC
• cybersecurityworks.comhttps://cybersecurityworks.com/zerodays/cve-2021-33849-stored-cross-site-scripting-xss-in-wordpress-plugin-zoho-crm-lead-magnet-version-1-7-2-4.htmlx_refsource_MISC