CVE-2025-62820 is a medium-severity vulnerability affecting Slack Nebula before version 1.9.7, where improper handling of CIDR in certain configurations allows the acceptance of arbitrary source IP addresses within the Nebula network. This issue has a CVSS score of 4.9, indicating a network-based attack with high attack complexity, requiring low privileges, and potentially leading to low impact on integrity and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0, < 1.9.7CPE match | cpe:2.3:a:slack:nebula:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.