CVE-2025-62820

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Source
https://cve.org/CVERecord?id=CVE-2025-62820
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-62820.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-62820
Aliases
Downstream
Related
Published
2025-10-23T00:00:00Z
Modified
2026-07-11T03:54:05.892848749Z
Severity
  • 4.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L CVSS Calculator
Summary
[none]
Details

Slack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP addresses within the Nebula network.

Database specific 
{
    "cwe_ids": [
        "CWE-420"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62820.json",
    "cna_assigner": "mitre"
}
References

Affected packages

Git / github.com/slackhq/nebula

Affected ranges

Type
GIT
Repo
https://github.com/slackhq/nebula
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
7c3f5339508c7dbc74eea7f925d31b28bafa1b45
Database specific 
{
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.9.7"
        }
    ]
}

Affected versions

v1.*
v1.0.0
v1.1.0
v1.2.0
v1.3.0
v1.4.0
v1.5.0
v1.5.2
v1.6.0
v1.6.1
v1.7.0
v1.7.1
v1.7.2
v1.8.0
v1.8.1
v1.8.2
v1.9.0
v1.9.1
v1.9.2
v1.9.3
v1.9.4
v1.9.5
v1.9.6

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-62820.json"