How severe is CVE-2023-43661?

CVE-2023-43661 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-43661 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 47% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43661?

CVE-2023-43661 affects All-three Cachet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43661?

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-2023-43661 published?

CVE-2023-43661 was published on 2023-10-11 and last updated on 2026-06-17.

CVE-2023-43661

CVE-2023-43661 is a high-severity vulnerability in All-three Cachet with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 47% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-74.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 47% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: All-three Cachet
Published: 2023-10-11
Last modified: 2026-06-17

Description

Cachet, the open-source status page system. Prior to the 2.4 branch, a template functionality which allows users to create templates allows them to execute any code on the server during the bad filtration and old twig version. Commit 6fb043e109d2a262ce3974e863c54e9e5f5e0587 of the 2.4 branch contains a patch for this issue.

Frequently asked questions

What is CVE-2023-43661?: Cachet, the open-source status page system. Prior to the 2.4 branch, a template functionality which allows users to create templates allows them to execute any code on the server during the bad filtration and old twig version. Commit 6fb043e109d2a262ce3974e863c54e9e5f5e0587 of the 2.4 branch contains a patch for this issue.
How severe is CVE-2023-43661?: CVE-2023-43661 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-43661 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 47% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43661?: CVE-2023-43661 affects All-three Cachet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43661?: 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-2023-43661 published?: CVE-2023-43661 was published on 2023-10-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:all-three:cachet:*:*:*:*:*:*:*:*

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