How severe is CVE-2021-32284?

CVE-2021-32284 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-2021-32284 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32284?

CVE-2021-32284 affects Creolabs Gravity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32284?

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-2021-32284 published?

CVE-2021-32284 was published on 2021-09-20 and last updated on 2026-06-17.

CVE-2021-32284

CVE-2021-32284 is a high-severity vulnerability in Creolabs Gravity 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% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Creolabs Gravity
Published: 2021-09-20
Last modified: 2026-06-17

Description

An issue was discovered in gravity through 0.8.1. A NULL pointer dereference exists in the function ircode_register_pop_context_protect() located in gravity_ircode.c. It allows an attacker to cause Denial of Service.

Frequently asked questions

What is CVE-2021-32284?: An issue was discovered in gravity through 0.8.1. A NULL pointer dereference exists in the function ircode_register_pop_context_protect() located in gravity_ircode.c. It allows an attacker to cause Denial of Service.
How severe is CVE-2021-32284?: CVE-2021-32284 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-2021-32284 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32284?: CVE-2021-32284 affects Creolabs Gravity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32284?: 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-2021-32284 published?: CVE-2021-32284 was published on 2021-09-20 and last updated on 2026-06-17.

References

https://github.com/marcobambini/gravity/issues/321

Affected products (1)

cpe:2.3:a:creolabs:gravity:*:*:*:*:*:*:*:*

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