CVE-2019-16128

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

0.60% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 46.1% 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

2020-10-22 19:07Z5 YR AGO

Last updated

2024-08-05 01:10Z2 YR AGO

Reserved

2019-09-08

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

45a47071d03f0dade7790d73a00cb02a175bb0a051788bf41364acb699f0ed5b

• www.microchip.comhttps://www.microchip.com/design-centers/security-ics/cryptoauthenticationx_refsource_MISC
• www.openwall.com[oss-security] 20201022 CVE-2019-16127, CVE-2019-16128 and CVE-2019-16129 for Microchip codehttp://www.openwall.com/lists/oss-security/2020/10/22/1mailing-listx_refsource_MLIST
• census-labs.comhttps://census-labs.com/news/2020/10/21/microchip-cryptoauthlib-atcab_sign_base-buffer-overflow/x_refsource_MISC