CVE Explorer
CVE-2025-62820
Slack Nebula before 1.9.7 mishandles CIDR in some configurations and thus accepts arbitrary source IP addresses within the Nebula network.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Nebula","vendor":"Slack","versions":[{"lessThan":"1.9.7","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:05cecf332f3d797b3c7ce148dee625ce1adea454ffaad7819b8f8dbe4757b5fa · sha256:36dab7f073fab2f0… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":4.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:05cecf332f3d797b3c7ce148dee625ce1adea454ffaad7819b8f8dbe4757b5fa · sha256:36dab7f073fab2f0… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-420","description":"CWE-420 Unprotected Alternate Channel","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:05cecf332f3d797b3c7ce148dee625ce1adea454ffaad7819b8f8dbe4757b5fa · sha256:36dab7f073fab2f0… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://github.com/slackhq/nebula/pull/1493"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:05cecf332f3d797b3c7ce148dee625ce1adea454ffaad7819b8f8dbe4757b5fa · sha256:36dab7f073fab2f0… · /containers/cna/references/0
{"url":"https://github.com/slackhq/nebula/pull/1494"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:05cecf332f3d797b3c7ce148dee625ce1adea454ffaad7819b8f8dbe4757b5fa · sha256:36dab7f073fab2f0… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.