CVE-2021-26118

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

3.92% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 89.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. 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

2021-01-27 18:55Z5 YR AGO

Last updated

2025-02-13 16:27Z1 YR AGO

Reserved

2021-01-25

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-284Improper Access ControlPillar
• CWE-285Improper AuthorizationClass

Data version

5.1

Document digest

333b2c756422b5497014d9f2e1ba63b717941e2da1f1c01cdd5040c92c063c84

• mail-archives.apache.orghttps://mail-archives.apache.org/mod_mbox/activemq-users/202101.mbox/%3CCAH%2BvQmMUNnkiXv2-d3ucdErWOsdnLi6CgnK%2BVfixyJvTgTuYig%40mail.gmail.com%3Ex_refsource_MISC
• lists.apache.org[announce] 20210127 CVE-2021-26118: Flaw in ActiveMQ Artemis OpenWire supporthttps://lists.apache.org/thread.html/rafd5d7cf303772a0118865262946586921a65ebd98fc24f56c812574%40%3Cannounce.apache.org%3Emailing-listx_refsource_MLIST
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210827-0002/x_refsource_CONFIRM