CVE-2021-27208

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

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 33.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:P/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

2021-03-15 12:27Z5 YR AGO

Last updated

2024-08-03 20:40Z2 YR AGO

Reserved

2021-02-12

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

ef27ce1a4d8f9b670a85c817bcd5c739f006c2c2e31be90af93c015fd19bd112

• www.xilinx.comhttps://www.xilinx.com/products/silicon-devices/soc/zynq-7000.htmlx_refsource_MISC
• www.xilinx.comhttps://www.xilinx.com/support/answers/76201.htmlx_refsource_MISC
• www.onfi.orghttp://www.onfi.org/specificationsx_refsource_MISC