Junos OS and Junos OS Evolved: The rpd CPU spikes to 100% after a malformed ISIS TLV has been received
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||||||||
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| Juniper Networks | Junos OS | affected |
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| Juniper Networks | Junos OS Evolved | affected |
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Configuration 1 [-]
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No data.
No data available yet.
Vendor Solution
The following software releases have been updated to resolve this specific issue: Junos OS: 19.3R3-S4, 19.4R2-S6, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3, 21.1R3, 21.2R2, 21.3R1, and all subsequent releases; Junos OS Evolved: 20.4R3-S3-EVO, 21.2R2-EVO, 21.3R1-EVO, and all subsequent releases.
Vendor Workaround
There are no workarounds for this issue.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2022-27343 | An Improper Check for Unusual or Exceptional Conditions vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent, unauthenticated attacker with an established ISIS adjacency to cause a Denial of Service (DoS). The rpd CPU spikes to 100% after a malformed ISIS TLV has been received which will lead to processing issues of routing updates and in turn traffic impact. This issue affects: Juniper Networks Junos OS 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S3-EVO; 21.2 versions prior to 21.2R2-EVO. This issue does not affect Juniper Networks Junos OS versions prior to 19.3R1. |
No CVSS v4.0
No CVSS v3.0
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.385% probability within 30 days)
Key SSVC decision points have not yet been added.
| Link | Providers |
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| https://kb.juniper.net/JSA69509 |
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No history.