How severe is CVE-2021-21011?

CVE-2021-21011 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-21011 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21011?

CVE-2021-21011 affects Adobe Captivate. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21011?

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-2021-21011 published?

CVE-2021-21011 was published on 2021-01-13 and last updated on 2026-06-17.

CVE-2021-21011

CVE-2021-21011 is a high-severity vulnerability in Adobe Captivate with a CVSS 3.x base score of 7.0. 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-427.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 5.1
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Adobe Captivate
Published: 2021-01-13
Last modified: 2026-06-17

Description

Adobe Captivate 2019 version 11.5.1.499 (and earlier) is affected by an uncontrolled search path element vulnerability that could lead to privilege escalation. An attacker with permissions to write to the file system could leverage this vulnerability to escalate privileges.

Frequently asked questions

What is CVE-2021-21011?: Adobe Captivate 2019 version 11.5.1.499 (and earlier) is affected by an uncontrolled search path element vulnerability that could lead to privilege escalation. An attacker with permissions to write to the file system could leverage this vulnerability to escalate privileges.
How severe is CVE-2021-21011?: CVE-2021-21011 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-21011 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21011?: CVE-2021-21011 affects Adobe Captivate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21011?: 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-2021-21011 published?: CVE-2021-21011 was published on 2021-01-13 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/captivate/apsb21-06.html

Affected products (1)

cpe:2.3:a:adobe:captivate:*:*:*:*:*:*:*:*

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