CVE-2021-39027

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

0.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 26.9% of scored records. A rank, not a probability.

NVD base score

5.0 (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:C/C:N/I:L/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

2022-05-06 15:55Z4 YR AGO

Last updated

2024-09-17 02:15Z1 YR AGO

Reserved

2021-08-16

Assigning CNA

ibm

Record state

PUBLISHED

Severity

Low (CVSS 3.0)

CNA CVSS vector

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

Weaknesses

• CWE-116Improper Encoding or Escaping of OutputClass

Data version

5.1

Document digest

6ce56eca111ded42b2fa81bde39a435fe351823150b16a9834db7a979b42123d

• www.ibm.comhttps://www.ibm.com/support/pages/node/6582499x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comibm-guardium-cve202139027-sec-bypass (213865)https://exchange.xforce.ibmcloud.com/vulnerabilities/213865vdb-entryx_refsource_XF