CVE-2021-21245 is a critical arbitrary file upload vulnerability affecting OneDev versions prior to 4.0.3, an all-in-one DevOps platform. Attackers can exploit this by manipulating the AttachmentUploadServlet to save user-controlled data to a specified location, potentially uploading a WebShell to the server. With a CVSS score of 9.8 (CRITICAL), this vulnerability has a network-based attack vector, low attack complexity, and can lead to complete compromise of confidentiality, integrity, and availability. While the vulnerability is severe, there is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.0.3CPE matchmatch criteria | cpe:2.3:a:onedev_project:onedev:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
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.