How severe is CVE-2021-21006?

CVE-2021-21006 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-21006 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21006?

CVE-2021-21006 affects Adobe Photoshop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21006?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-21006 published?

CVE-2021-21006 was published on 2021-01-13 and last updated on 2026-06-17.

CVE-2021-21006

CVE-2021-21006 is a high-severity vulnerability in Adobe Photoshop with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 6.8
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-122
Affected product: Adobe Photoshop
Published: 2021-01-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-21006?: 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.
How severe is CVE-2021-21006?: CVE-2021-21006 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-21006 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21006?: CVE-2021-21006 affects Adobe Photoshop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21006?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-21006 published?: CVE-2021-21006 was published on 2021-01-13 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/photoshop/apsb21-01.html

Affected products (1)

cpe:2.3:a:adobe:photoshop:*:*:*:*:*:*:*:*

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