How severe is CVE-2021-21096?

CVE-2021-21096 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-21096 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21096?

CVE-2021-21096 affects Adobe Bridge. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21096?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-21096 published?

CVE-2021-21096 was published on 2021-04-15 and last updated on 2026-06-17.

CVE-2021-21096

CVE-2021-21096 is a medium-severity vulnerability in Adobe Bridge with a CVSS 3.x base score of 5.5. 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-285.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Adobe Bridge
Published: 2021-04-15
Last modified: 2026-06-17

Description

Adobe Bridge versions 10.1.1 (and earlier) and 11.0.1 (and earlier) are affected by an Improper Authorization vulnerability in the Genuine Software Service. A low-privileged attacker could leverage this vulnerability to achieve application denial-of-service in the context of the current user. Exploitation of this issue does not require user interaction.

Frequently asked questions

What is CVE-2021-21096?: Adobe Bridge versions 10.1.1 (and earlier) and 11.0.1 (and earlier) are affected by an Improper Authorization vulnerability in the Genuine Software Service. A low-privileged attacker could leverage this vulnerability to achieve application denial-of-service in the context of the current user. Exploitation of this issue does not require user interaction.
How severe is CVE-2021-21096?: CVE-2021-21096 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-21096 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21096?: CVE-2021-21096 affects Adobe Bridge. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21096?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-21096 published?: CVE-2021-21096 was published on 2021-04-15 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/bridge/apsb21-23.html

Affected products (1)

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

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Other CWE-285 (Improper Authorization) vulnerabilities

CVE-2025-65041 — Critical (CVSS 10.0): Improper authorization in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
CVE-2023-33189 — Critical (CVSS 10.0): Pomerium is an identity and context-aware access proxy. With specially crafted requests, incorrect authorization…
CVE-2022-2595 — Critical (CVSS 10.0): Improper Authorization in GitHub repository kromitgmbh/titra prior to 0.79.1.
CVE-2021-28799 — Critical (CVSS 10.0): An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If…
CVE-2026-34048 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
CVE-2026-5412 — Critical (CVSS 9.9): In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade. An authenticated…

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