QID 43895

Date Published: 2021-11-16

QID 43895: Juniper Network Operating System (Junos OS) :MX Series Denial of Service (DoS) (Line Card Reset) Vulnerability (JSA1121)

Juniper Junos is the network operating system used in Juniper Networks hardware systems.

Affected releases are Junos OS:
17.3R3-S11
17.4R2-S13
17.4R3 prior to 17.4R3-S5
18.1R3-S12
18.2R2-S8, 18.2R3-S7, 18.2R3-S8
18.3R3-S4
18.4R3-S7
19.1R3-S4, 19.1R3-S5
19.2R1-S6
19.3R3-S2
19.4R2-S4, 19.4R2-S5
19.4R3-S2
20.1R2-S1
20.2R2-S2, 20.2R2-S3, 20.2R3
20.3R2, 20.3R2-S1
20.4R1, 20.4R1-S1, 20.4R2
21.1R1
QID detection logic: (Authenticated)
It checks for vulnerable Junos OS version.

This vulnerability might allow an attacker to send a specific packet, triggering the MS-MPC/MS-MIC to reset, causing a Denial of Service (DoS).

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

The vendor has released fixes.
For more information please visit JSA11216.

Vendor References

JSA11216 - kb.juniper.net/InfoCenter/index?page=content&id=JSA11216&cat=SIRT_1&actp=LIST

CVEs related to QID 43895

CVE-2021-31351 |

Software Advisories

Advisory ID	Software	Component	Link
JSA11216			kb.juniper.net/InfoCenter/index?page=content&id=JSA11216&cat=SIRT_1&actp=LIST

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