SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-21056

Adobe Framemaker version 2020.0.1 (and earlier) is affected by an Out-of-bounds Read vulnerability when parsing a specially crafted file.

HIGH 7.8EPSS 22.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 22.6%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Adobe Framemaker version 2020.0.1 (and earlier) is affected by an Out-of-bounds Read vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
22.56% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-125
Affected
adobe/framemaker
Source
psirt@adobe.com
EPSS trend
0%13%25%2 October 2026: 22.56%3 November 2026: 22.56%2 October 20263 November 2026

EPSS moved from 22.6% on 2 October 2026 to 22.6% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.