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High severity7.5NVD Advisory· Published Jul 20, 2022· Updated Jun 17, 2026

CVE-2022-22206

CVE-2022-22206

Description

A Buffer Overflow vulnerability in the PFE of Juniper Networks Junos OS on SRX series allows an unauthenticated network based attacker to cause a Denial of Service (DoS). The PFE will crash when specific traffic is scanned by Enhanced Web Filtering safe-search feature of UTM (Unified Threat management). Continued receipt of this specific traffic will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS: 20.2 versions prior to 20.2R3-S4 on SRX Series; 20.3 versions prior to 20.3R3-S3 on SRX Series; 20.4 versions prior to 20.4R3-S3 on SRX Series; 21.1 versions prior to 21.1R3-S1 on SRX Series; 21.2 versions prior to 21.2R2-S2, 21.2R3 on SRX Series; 21.3 versions prior to 21.3R2 on SRX Series; 21.4 versions prior to 21.4R2 on SRX Series. This issue does not affect Juniper Networks Junos OS versions prior to 20.2R1.

Affected products

52
  • Juniper Networks/Junos OS on SRX Seriesllm-fuzzy
    Range: 20.2 versions prior to 20.2R3-S4, 20.3 versions prior to 20.3R3-S3, 20.4 versions prior to 20.4R3-S3, 21.1 versions prior to 21.1R3-S1, 21.2 versions prior to 21.2R2-S2, 21.2R3, 21.3 versions prior to 21.3R2, 21.4 versions prior to 21.4R2
  • Juniper Networks/Junosllm-fuzzy51 versions
    20.2 versions prior to 20.2R3-S4, 20.3 versions prior to 20.3R3-S3, 20.4 versions prior to 20.4R3-S3, 21.1 versions prior to 21.1R3-S1, 21.2 versions prior to 21.2R2-S2, 21.2R3, 21.3 versions prior to 21.3R2, 21.4 versions prior to 21.4R2+ 50 more
    • (no CPE)range: 20.2 versions prior to 20.2R3-S4, 20.3 versions prior to 20.3R3-S3, 20.4 versions prior to 20.4R3-S3, 21.1 versions prior to 21.1R3-S1, 21.2 versions prior to 21.2R2-S2, 21.2R3, 21.3 versions prior to 21.3R2, 21.4 versions prior to 21.4R2
    • cpe:2.3:o:juniper:junos:20.2:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.2:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.2:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.2:r1-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.2:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.2:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.2:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.2:r2-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.2:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.2:r3-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.2:r3-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.2:r3-s3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.3:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.3:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.3:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.3:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.3:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.3:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.3:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.3:r3-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.3:r3-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:r3-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:20.4:r3-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.1:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.1:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.1:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.1:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.1:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.1:r2-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.1:r3:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.2:r2-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.3:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.3:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.3:r1-s2:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r1-s1:*:*:*:*:*:*
    • cpe:2.3:o:juniper:junos:21.4:r1-s2:*:*:*:*:*:*
    • (no CPE)range: unspecified

Patches

Vulnerability mechanics

References

1

News mentions

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