CVE-2021-21006

Photoshop vulnerability

CVSS

8.6

EPSS

5.6%

EPSS pct

92th

Exploited

No known

Adobe Photoshop version 22.1 (and earlier) is affected by a heap buffer overflow vulnerability when handling a specially crafted font file. Successful exploitation could lead to arbitrary code execution. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected vendor

Adobe

Affected product

Photoshop

CVSS vector

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

Weakness type (CWE)

CWE-122 — Heap-based Buffer Overflow

Published

2021-01-13

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 5.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2021-21006

Confirm whether Adobe Photoshop is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-21006.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-21006

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-21006 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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