CVE-2020-4448

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

12.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 95.8% 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

2020-06-05 12:55Z6 YR AGO

Last updated

2024-09-16 20:58Z1 YR AGO

Reserved

2019-12-30

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-502Deserialization of Untrusted DataBase

Data version

5.1

Document digest

90b085ac348afde20efa4b3cf6e45e6201a044e1ba483fe8e7dc65344546a47a

• www.ibm.comhttps://www.ibm.com/support/pages/node/6220336x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-websphere-cve20204448-command-exec (181228)https://exchange.xforce.ibmcloud.com/vulnerabilities/181228vdb-entryx_refsource_XF
• www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-20-688/x_refsource_MISC