How severe is CVE-2020-35981?

CVE-2020-35981 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-2020-35981 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35981?

CVE-2020-35981 primarily affects Gpac. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-35981?

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-2020-35981 published?

CVE-2020-35981 was published on 2021-04-21 and last updated on 2026-06-17.

CVE-2020-35981

CVE-2020-35981 is a high-severity vulnerability in Gpac 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Gpac
Published: 2021-04-21
Last modified: 2026-06-17

Description

An issue was discovered in GPAC version 0.8.0 and 1.0.1. There is an invalid pointer dereference in the function SetupWriters() in isomedia/isom_store.c.

Frequently asked questions

What is CVE-2020-35981?: An issue was discovered in GPAC version 0.8.0 and 1.0.1. There is an invalid pointer dereference in the function SetupWriters() in isomedia/isom_store.c.
How severe is CVE-2020-35981?: CVE-2020-35981 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-2020-35981 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35981?: CVE-2020-35981 primarily affects Gpac. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-35981?: 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-2020-35981 published?: CVE-2020-35981 was published on 2021-04-21 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:gpac:gpac:0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*

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