How severe is CVE-2024-20721?

CVE-2024-20721 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-20721 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-2024-20721?

CVE-2024-20721 primarily affects Adobe Acrobat. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-20721?

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

Does CVE-2024-20721 have an EU (EUVD) identifier?

Yes. CVE-2024-20721 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18436.

When was CVE-2024-20721 published?

CVE-2024-20721 was published on 2024-01-15 and last updated on 2026-06-17.

CVE-2024-20721

CVE-2024-20721 is a medium-severity vulnerability in Adobe Acrobat 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18436
Weakness: CWE-20
Affected product: Adobe Acrobat
Published: 2024-01-15
Last modified: 2026-06-17

Description

Acrobat Reader T5 (MSFT Edge) versions 120.0.2210.91 and earlier are affected by an Improper Input Validation vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Frequently asked questions

What is CVE-2024-20721?: Acrobat Reader T5 (MSFT Edge) versions 120.0.2210.91 and earlier are affected by an Improper Input Validation vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
How severe is CVE-2024-20721?: CVE-2024-20721 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-20721 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-2024-20721?: CVE-2024-20721 primarily affects Adobe Acrobat. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-20721?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-20721 have an EU (EUVD) identifier?: Yes. CVE-2024-20721 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18436.
When was CVE-2024-20721 published?: CVE-2024-20721 was published on 2024-01-15 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20721

Affected products (2)

cpe:2.3:a:adobe:acrobat:*:*:*:*:*:edge:*:*
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*

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