CVE-2021-40865 is an Unsafe Deserialization vulnerability in the worker services of the Apache Storm supervisor server, affecting versions 1.x, 2.1.x, and 2.2.x. This critical vulnerability, with a CVSS score of 9.8, allows for pre-authentication Remote Code Execution (RCE) due to its network-based attack vector, low complexity, and no required privileges or user interaction, leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or publicly available exploit code in Metasploit or ExploitDB, the vulnerability has garnered some community discussion, indicating awareness. Organizations using affected Apache Storm versions should upgrade to 1.2.4, 2.1.1, 2.2.1, or 2.3.0 immediately.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.0.0, < 1.2.4CPE matchmatch criteria | cpe:2.3:a:apache:storm:*:*:*:*:*:*:*:* | ||
>= 2.1.0, < 2.1.1CPE matchmatch criteria | cpe:2.3:a:apache:storm:*:*:*:*:*:*:*:* | ||
>= 2.2.0, < 2.2.1CPE matchmatch criteria | cpe:2.3:a:apache:storm:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.