CVE-2019-4279

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

79.93% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.6% 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

2019-05-17 15:20Z7 YR AGO

Last updated

2024-09-17 01:45Z1 YR AGO

Reserved

2019-01-03

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Critical (CVSS 9.0)

CNA CVSS vector

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

Weaknesses

• CWE-502Deserialization of Untrusted DataBase

Data version

5.1

Document digest

5ee2f5494a636222f942dd654e383af455577ef83b8b89b0f124adcde96b1637

• www.ibm.comhttps://www.ibm.com/support/docview.wss?uid=ibm10883628x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-websphere-cve20194279-code-exec (160445)https://exchange.xforce.ibmcloud.com/vulnerabilities/160445vdb-entryx_refsource_XF
• www.securityfocus.com108450http://www.securityfocus.com/bid/108450vdb-entryx_refsource_BID