CVE-2021-37161

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

3.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 87.3% of scored records. A rank, not a probability.

NVD base score

9.8 (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: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

2021-08-02 12:42Z5 YR AGO

Last updated

2024-08-04 01:16Z2 YR AGO

Reserved

2021-07-21

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

48f8a1386c3081e509be8a565e6cdc13cc0ccd42da9935e8a7f43c940e479508

• www.swisslog-healthcare.comhttps://www.swisslog-healthcare.comx_refsource_MISC
• www.armis.comhttps://www.armis.com/PwnedPiperx_refsource_MISC
• www.swisslog-healthcare.comhttps://www.swisslog-healthcare.com/en-us/customer-care/security-information/cve-disclosures#:~:text=CVE%20Disclosures%20%20%20%20Vulnerability%20Name%20%2C%20%20CVE-2021-37164%20%204%20more%20rows%20x_refsource_MISC
• www.swisslog-healthcare.comhttps://www.swisslog-healthcare.com/-/media/swisslog-healthcare/documents/customer-service/armis-documents/cve-2021-37161-bulletin---underflow-in-udprxthread.pdf?rev=9395dad86d0b4811ae4a9e37f0568c2e&hash=3D8571C7A3DCC8B7D8DCB89C2DA4BB8Dx_refsource_MISC