How severe is CVE-2021-42728?

CVE-2021-42728 has a CVSS 3.x base score of 7.8, 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-2021-42728 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42728?

CVE-2021-42728 affects Adobe Bridge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-42728?

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-2021-42728 published?

CVE-2021-42728 was published on 2022-03-16 and last updated on 2026-06-17.

CVE-2021-42728

CVE-2021-42728 is a high-severity vulnerability in Adobe Bridge with a CVSS 3.x base score of 7.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Adobe Bridge
Published: 2022-03-16
Last modified: 2026-06-17

Description

Adobe Bridge 11.1.1 (and earlier) is affected by a stack overflow vulnerability due to insecure handling of a crafted file, potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file in Bridge.

Frequently asked questions

What is CVE-2021-42728?: Adobe Bridge 11.1.1 (and earlier) is affected by a stack overflow vulnerability due to insecure handling of a crafted file, potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file in Bridge.
How severe is CVE-2021-42728?: CVE-2021-42728 has a CVSS 3.x base score of 7.8, 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-2021-42728 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42728?: CVE-2021-42728 affects Adobe Bridge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42728?: 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-2021-42728 published?: CVE-2021-42728 was published on 2022-03-16 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/bridge/apsb21-94.html

Affected products (1)

cpe:2.3:a:adobe:bridge:*:*:*:*:*:*:*:*

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