How severe is CVE-2024-47522?

CVE-2024-47522 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 none, and availability high.

Is CVE-2024-47522 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-47522?

CVE-2024-47522 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-47522?

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.

Does CVE-2024-47522 have an EU (EUVD) identifier?

Yes. CVE-2024-47522 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-42513.

When was CVE-2024-47522 published?

CVE-2024-47522 was published on 2024-10-16 and last updated on 2026-06-17.

CVE-2024-47522

CVE-2024-47522 is a high-severity vulnerability in Oisf Suricata 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-617.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-42513
Weakness: CWE-617
Affected product: Oisf Suricata
Published: 2024-10-16
Last modified: 2026-06-17

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.7, invalid ALPN in TLS/QUIC traffic when JA4 matching/logging is enabled can lead to Suricata aborting with a panic. This issue has been addressed in 7.0.7. One may disable ja4 as a workaround.

Frequently asked questions

What is CVE-2024-47522?: Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.7, invalid ALPN in TLS/QUIC traffic when JA4 matching/logging is enabled can lead to Suricata aborting with a panic. This issue has been addressed in 7.0.7. One may disable ja4 as a workaround.
How severe is CVE-2024-47522?: CVE-2024-47522 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 none, and availability high.
Is CVE-2024-47522 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-47522?: CVE-2024-47522 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-47522?: 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.
Does CVE-2024-47522 have an EU (EUVD) identifier?: Yes. CVE-2024-47522 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-42513.
When was CVE-2024-47522 published?: CVE-2024-47522 was published on 2024-10-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*

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