CVE-2021-30151

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

4.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.0% 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 00:00Z5 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

aa8db96c43fcc482a3988171faff05337028928361063e3076ec329fdfbd8c2a

• github.comhttps://github.com/mperham/sidekiq/issues/4852
• lists.debian.org[debian-lts-announce] 20220310 [SECURITY] [DLA 2943-1] ruby-sidekiq security updatehttps://lists.debian.org/debian-lts-announce/2022/03/msg00015.htmlmailing-list
• lists.debian.org[debian-lts-announce] 20230312 [SECURITY] [DLA 3360-1] ruby-sidekiq security updatehttps://lists.debian.org/debian-lts-announce/2023/03/msg00011.htmlmailing-list