CVE-2020-4771

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

1.56% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 73.4% of scored records. A rank, not a probability.

NVD base score

5.3 (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:L/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

2020-11-23 16:55Z5 YR AGO

Last updated

2024-09-17 02:00Z1 YR AGO

Reserved

2019-12-30

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-287Improper AuthenticationClass

Data version

5.1

Document digest

986d4b7bc2aefe72c87bcf0b99d56bd5311ea19c986efbb72e9948499070c4d4

• www.ibm.comhttps://www.ibm.com/support/pages/node/6369101x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-spectrum-cve20204771-info-disc (188993)https://exchange.xforce.ibmcloud.com/vulnerabilities/188993vdb-entryx_refsource_XF