CVE-2021-40716

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

2.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 82.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/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

2021-09-29 15:41Z4 YR AGO

Last updated

2025-11-03 19:26Z10 MO AGO

Reserved

2021-09-08

Assigning CNA

adobe

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

557fdd7042cce19a14ffb6ab52c543055c20aecc82f9708a94073a9a9782546a

• helpx.adobe.comhttps://helpx.adobe.com/security/products/xmpcore/apsb21-85.html
• lists.debian.org[debian-lts-announce] 20230925 [SECURITY] [DLA 3585-1] exempi security updatehttps://lists.debian.org/debian-lts-announce/2023/09/msg00032.htmlmailing-list
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/08/msg00003.html