How severe is CVE-2021-27916?

CVE-2021-27916 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2021-27916 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27916?

CVE-2021-27916 affects Acquia Mautic. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27916?

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-2021-27916 have an EU (EUVD) identifier?

Yes. CVE-2021-27916 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1171.

When was CVE-2021-27916 published?

CVE-2021-27916 was published on 2024-09-17 and last updated on 2026-06-17.

CVE-2021-27916

CVE-2021-27916 is a high-severity vulnerability in Acquia Mautic with a CVSS 3.x base score of 8.1. 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-22.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-1171
Weakness: CWE-22
Affected product: Acquia Mautic
Published: 2024-09-17
Last modified: 2026-06-17

Description

Prior to the patched version, logged in users of Mautic are vulnerable to Relative Path Traversal/Arbitrary File Deletion. Regardless of the level of access the Mautic user had, they could delete files other than those in the media folders such as system files, libraries or other important files. This vulnerability exists in the implementation of the GrapesJS builder in Mautic.

Frequently asked questions

What is CVE-2021-27916?: Prior to the patched version, logged in users of Mautic are vulnerable to Relative Path Traversal/Arbitrary File Deletion. Regardless of the level of access the Mautic user had, they could delete files other than those in the media folders such as system files, libraries or other important files. This vulnerability exists in the implementation of the GrapesJS builder in Mautic.
How severe is CVE-2021-27916?: CVE-2021-27916 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2021-27916 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27916?: CVE-2021-27916 affects Acquia Mautic. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27916?: 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-2021-27916 have an EU (EUVD) identifier?: Yes. CVE-2021-27916 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1171.
When was CVE-2021-27916 published?: CVE-2021-27916 was published on 2024-09-17 and last updated on 2026-06-17.

References

https://github.com/mautic/mautic/security/advisories/GHSA-9fcx-cv56-w58p

Affected products (1)

cpe:2.3:a:acquia:mautic:*:*:*:*:*:*:*:*

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