CVE-2025-62820
low-risk
Published 2025-10-23
Slack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP addresses within the Nebula network.
Do I need to act?
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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.9/10
Medium
NETWORK
/ HIGH complexity
21
/ 100
low-risk
Severity
16/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal