THREATPORT/VULNERABILITY/CVE-2021-21056
HIGH SEVERITY

CVE-2021-21056

Framemaker vulnerability

CVSS
7.8
EPSS
21.2%
EPSS pct
97th
Exploited
No known
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.
Affected vendor
Adobe
Affected product
Framemaker
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2021-03-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 21.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2021-21056

  • Confirm whether Adobe Framemaker is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-21056.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-21056

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-21056 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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