How severe is CVE-2022-29528?

CVE-2022-29528 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-29528 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-29528?

CVE-2022-29528 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-29528?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-29528 published?

CVE-2022-29528 was published on 2022-04-20 and last updated on 2026-06-22.

CVE-2022-29528

CVE-2022-29528 is a critical-severity vulnerability in Misp-project Misp with a CVSS 3.x base score of 9.8. 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Misp-project Misp
Published: 2022-04-20
Last modified: 2026-06-22

Description

An issue was discovered in MISP before 2.4.158. PHAR deserialization can occur.

Frequently asked questions

What is CVE-2022-29528?: An issue was discovered in MISP before 2.4.158. PHAR deserialization can occur.
How severe is CVE-2022-29528?: CVE-2022-29528 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-29528 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-29528?: CVE-2022-29528 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-29528?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-29528 published?: CVE-2022-29528 was published on 2022-04-20 and last updated on 2026-06-22.

References

Affected products (1)

cpe:2.3:a:misp-project:misp:*:*:*:*:*:*:*:*

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