CVE-2019-4621

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

1.64% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 74.2% of scored records. A rank, not a probability.

NVD base score

9.8 (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: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

2019-12-09 22:30Z6 YR AGO

Last updated

2024-09-16 19:47Z1 YR AGO

Reserved

2019-01-03

Assigning CNA

ibm

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

CVSS:3.0/I:H/UI:N/S:U/AV:N/PR:N/C:H/AC:H/A:H/RL:O/E:U/RC:C

Weaknesses

• CWE-1188Initialization of a Resource with an Insecure DefaultBase

Data version

5.1

Document digest

53b6035b9b9492ac3fe6d544db10d04113a295f83d42cacc9526c0580598db31

• www.ibm.comhttps://www.ibm.com/support/pages/node/1125615x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-mq-cve20194621-sec-bypass (168883)https://exchange.xforce.ibmcloud.com/vulnerabilities/168883vdb-entryx_refsource_XF