CVE-2021-23271

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

0.92% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 57.7% of scored records. A rank, not a probability.

NVD base score

8.0 (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:U/C:H/I:H/A:H

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

2021-02-02 18:30Z5 YR AGO

Last updated

2024-09-16 20:07Z1 YR AGO

Reserved

2021-01-08

Assigning CNA

tibco

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

d823912da89a345fa14bb112a73774db5d1f76a103dccf7385a5bec6322b9adb

• www.tibco.comhttp://www.tibco.com/services/support/advisoriesx_refsource_CONFIRM
• www.tibco.comhttps://www.tibco.com/support/advisories/2021/02/tibco-security-advisory-february-2-2021-tibco-ebxx_refsource_CONFIRM