How severe is CVE-2021-39829?

CVE-2021-39829 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-2021-39829 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39829?

CVE-2021-39829 affects Adobe Framemaker. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39829?

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-2021-39829 published?

CVE-2021-39829 was published on 2021-09-29 and last updated on 2026-06-17.

CVE-2021-39829

CVE-2021-39829 is a high-severity vulnerability in Adobe Framemaker 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Adobe Framemaker
Published: 2021-09-29
Last modified: 2026-06-17

Description

Adobe Framemaker versions 2019 Update 8 (and earlier) and 2020 Release Update 2 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious PDF file.

Frequently asked questions

What is CVE-2021-39829?: Adobe Framemaker versions 2019 Update 8 (and earlier) and 2020 Release Update 2 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious PDF file.
How severe is CVE-2021-39829?: CVE-2021-39829 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-2021-39829 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39829?: CVE-2021-39829 affects Adobe Framemaker. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39829?: 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-2021-39829 published?: CVE-2021-39829 was published on 2021-09-29 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/framemaker/apsb21-74.html

Affected products (1)

cpe:2.3:a:adobe:framemaker:*:*:*:*:*:*:*:*

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