CVE-2021-39066

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

0.64% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 48.2% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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

2022-02-02 12:04Z4 YR AGO

Last updated

2024-09-17 01:51Z1 YR AGO

Reserved

2021-08-16

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Medium (CVSS 6.3)

CNA CVSS vector

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

Weaknesses

• CWE-384Session FixationCompound

Data version

5.1

Document digest

1c624114cf9ec91a942dfb96f873c683daed7064166de9a97032777646fed958

• www.ibm.comhttps://www.ibm.com/support/pages/node/6527892x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-ftm-cve202139066-session-fixation (215040)https://exchange.xforce.ibmcloud.com/vulnerabilities/215040vdb-entryx_refsource_XF