CVE-2024-27894 is a critical vulnerability in Apache Pulsar's Functions Worker, affecting versions 2.4.0 through 3.2.0. Authenticated users can exploit a URL-based function creation feature to read arbitrary files, including sensitive environment variables, or use the worker as a proxy for DoS attacks. With a CVSS score of 8.8 (High), this vulnerability is easily exploitable over the network with low complexity, leading to high confidentiality, integrity, and availability impacts. There is currently no public exploit code or evidence of active exploitation, and community discussion is minimal. Organizations are urged to upgrade to patched versions (e.g., 2.10.6, 2.11.4, 3.0.3, 3.1.3, 3.2.1) to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.4.0, < 2.10.6CPE matchmatch criteria | cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:* | ||
>= 2.11.0, < 2.11.4CPE matchmatch criteria | cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:* | ||
>= 3.0.0, < 3.0.3CPE matchmatch criteria | cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:* | ||
>= 3.1.0, < 3.1.3CPE matchmatch criteria | cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:* | ||
3.2.0CPE matchmatch criteria | cpe:2.3:a:apache:pulsar:3.2.0:-:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
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