CVE-2021-30154

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

1.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 70.1% 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

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2021-04-06 06:43Z5 YR AGO

Last updated

2024-08-03 22:24Z2 YR AGO

Reserved

2021-04-06

Assigning CNA

mitre

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

ff58c12c0a2bd4bcd98a978b0b9aa09f6c87d388e7e3665063c56c23ce1d360c

• phabricator.wikimedia.orghttps://phabricator.wikimedia.org/T278014x_refsource_MISC
• www.debian.orgDSA-4889https://www.debian.org/security/2021/dsa-4889vendor-advisoryx_refsource_DEBIAN
• lists.fedoraproject.orgFEDORA-2021-f4223b6684https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-d298103d3ahttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2OMSV7B2TCFBOCICN3B4SMQP5HVRJQIT/vendor-advisoryx_refsource_FEDORA
• security.gentoo.orgGLSA-202107-40https://security.gentoo.org/glsa/202107-40vendor-advisoryx_refsource_GENTOO