CVE-2020-4449

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

3.93% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 89.5% 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:H/I:N/A:N

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 23:11Z1 YR AGO

Reserved

2019-12-30

Assigning CNA

ibm

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-502Deserialization of Untrusted DataBase

Data version

5.1

Document digest

8c127f08039a5a5f37e0039b43b139db77d5d3f65e8b7e22985fa000bafea830

• www.ibm.comhttps://www.ibm.com/support/pages/node/6220296x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-websphere-cve20204449-info-disc (181230)https://exchange.xforce.ibmcloud.com/vulnerabilities/181230vdb-entryx_refsource_XF
• www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-20-690/x_refsource_MISC