How severe is CVE-2024-28870?

CVE-2024-28870 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-2024-28870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-28870?

CVE-2024-28870 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-28870?

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-2024-28870 have an EU (EUVD) identifier?

Yes. CVE-2024-28870 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25940.

When was CVE-2024-28870 published?

CVE-2024-28870 was published on 2024-04-03 and last updated on 2026-06-17.

CVE-2024-28870

CVE-2024-28870 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-770.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-25940
Weakness: CWE-770
Affected product: Oisf Suricata
Published: 2024-04-03
Last modified: 2026-06-17

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community. When parsing an overly long SSH banner, Suricata can use excessive CPU resources, as well as cause excessive logging volume in alert records. This issue has been patched in versions 6.0.17 and 7.0.4.

Frequently asked questions

What is CVE-2024-28870?: Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community. When parsing an overly long SSH banner, Suricata can use excessive CPU resources, as well as cause excessive logging volume in alert records. This issue has been patched in versions 6.0.17 and 7.0.4.
How severe is CVE-2024-28870?: CVE-2024-28870 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-2024-28870 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-28870?: CVE-2024-28870 affects Oisf Suricata. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-28870?: 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-2024-28870 have an EU (EUVD) identifier?: Yes. CVE-2024-28870 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-25940.
When was CVE-2024-28870 published?: CVE-2024-28870 was published on 2024-04-03 and last updated on 2026-06-17.

References

https://github.com/OISF/suricata/security/advisories/GHSA-mhhx-xw7r-r5c8

Affected products (1)

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

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