CVE-2021-28560

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

66.92% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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

2021-09-02 16:08Z5 YR AGO

Last updated

2024-09-16 19:46Z1 YR AGO

Reserved

2021-03-16

Assigning CNA

adobe

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

8f4491a9db9f74ccb1c11554b142fb26a4dd6d70725d63270ab488e6ec5dd725

• helpx.adobe.comhttps://helpx.adobe.com/security/products/acrobat/apsb21-29.htmlx_refsource_MISC