How severe is CVE-2024-4456?

CVE-2024-4456 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-4456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-4456?

CVE-2024-4456 affects Octopus Octopus Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-4456?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-4456 have an EU (EUVD) identifier?

Yes. CVE-2024-4456 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44564.

When was CVE-2024-4456 published?

CVE-2024-4456 was published on 2024-05-08 and last updated on 2026-06-17.

CVE-2024-4456

CVE-2024-4456 is a medium-severity vulnerability in Octopus Octopus Server with a CVSS 3.x base score of 4.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.1)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-44564
Weakness: CWE-79
Affected product: Octopus Octopus Server
Published: 2024-05-08
Last modified: 2026-06-17

Description

In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting payload on the audit page.

Frequently asked questions

What is CVE-2024-4456?: In affected versions of Octopus Server with certain access levels it was possible to embed a Cross-Site Scripting payload on the audit page.
How severe is CVE-2024-4456?: CVE-2024-4456 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-4456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-4456?: CVE-2024-4456 affects Octopus Octopus Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-4456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-4456 have an EU (EUVD) identifier?: Yes. CVE-2024-4456 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44564.
When was CVE-2024-4456 published?: CVE-2024-4456 was published on 2024-05-08 and last updated on 2026-06-17.

References

https://advisories.octopus.com/post/2024/sa2024-04/

Affected products (1)

cpe:2.3:a:octopus:octopus_server:*:*:*:*:*:*:*:*

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