How severe is CVE-2021-39833?

CVE-2021-39833 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-39833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39833?

CVE-2021-39833 affects Adobe Framemaker. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39833?

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

When was CVE-2021-39833 published?

CVE-2021-39833 was published on 2021-09-29 and last updated on 2026-06-17.

CVE-2021-39833

CVE-2021-39833 is a low-severity vulnerability in Adobe Framemaker with a CVSS 3.x base score of 3.3. 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-125.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
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 read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious TIF file.

Frequently asked questions

What is CVE-2021-39833?: Adobe Framemaker versions 2019 Update 8 (and earlier) and 2020 Release Update 2 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious TIF file.
How severe is CVE-2021-39833?: CVE-2021-39833 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-39833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39833?: CVE-2021-39833 affects Adobe Framemaker. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39833?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39833 published?: CVE-2021-39833 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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CVE-2020-3739 — High (CVSS 8.8): Adobe Framemaker versions 2019.0.4 and below have a memory corruption vulnerability. Successful exploitation could lead…
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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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