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CVE-2026-21921 Junos OS and Junos OS Evolved: When telemetry collectors are frequently subscribing and unsubscribing to sensors chassisd or rpd will crash
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | CVE-2026-21921 | 15 Jan 202620:28 | – | attackerkb |
 | CVE-2026-21921 | 15 Jan 202622:17 | – | circl |
 | Juniper Networks Junos OS and Juniper Networks Junos OS Evolved resource management vulnerabilities | 15 Jan 202600:00 | – | cnnvd |
 | CVE-2026-21921 | 15 Jan 202620:28 | – | cve |
 | EUVD-2026-2693 | 15 Jan 202620:28 | – | euvd |
 | Vulnerabilities fixed in Juniper Networks JunOS | 16 Jan 202610:07 | – | ncsc |
 | CVE-2026-21921 | 15 Jan 202621:16 | – | nvd |
 | CVE-2026-21921 | 15 Jan 202621:16 | – | osv |
 | PT-2026-3132 | 15 Jan 202600:00 | – | ptsecurity |
 | CVE-2026-21921 | 16 Jan 202621:33 | – | redhatcve |
10
[
{
"defaultStatus": "unaffected",
"product": "Junos OS",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "22.4R3-S8",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "23.2R2-S5",
"status": "affected",
"version": "23.2",
"versionType": "semver"
},
{
"lessThan": "23.4R2",
"status": "affected",
"version": "23.4",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Junos OS Evolved",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "22.4R3-S8-EVO",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "23.2R2-S5-EVO",
"status": "affected",
"version": "23.2",
"versionType": "semver"
},
{
"lessThan": "23.4R2-EVO",
"status": "affected",
"version": "23.4",
"versionType": "semver"
}
]
}
]| Source | Link |
|---|---|
| kb | www.kb.juniper.net/JSA106021 |
| supportportal | www.supportportal.juniper.net/JSA106021 |
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15 Jan 2026 20:28Current
CVSS 3.16.5
CVSS 47.1
EPSS0.00335