How severe is CVE-2020-24939?

CVE-2020-24939 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-24939 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24939?

CVE-2020-24939 affects Stampit Supermixer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24939?

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-2020-24939 published?

CVE-2020-24939 was published on 2021-06-16 and last updated on 2026-06-17.

CVE-2020-24939

CVE-2020-24939 is a high-severity vulnerability in Stampit Supermixer with a CVSS 3.x base score of 7.5. 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-1321.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Stampit Supermixer
Published: 2021-06-16
Last modified: 2026-06-17

Description

Prototype pollution in Stampit supermixer 1.0.3 allows an attacker to modify the prototype of a base object which can vary in severity depending on the implementation.

Frequently asked questions

What is CVE-2020-24939?: Prototype pollution in Stampit supermixer 1.0.3 allows an attacker to modify the prototype of a base object which can vary in severity depending on the implementation.
How severe is CVE-2020-24939?: CVE-2020-24939 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-24939 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24939?: CVE-2020-24939 affects Stampit Supermixer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24939?: 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-2020-24939 published?: CVE-2020-24939 was published on 2021-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:stampit:supermixer:1.0.3:*:*:*:*:*:*:*

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