CVE-2022-22201

SRX5000 Series with SPC3, SRX4000 Series, and vSRX: When PowerMode IPsec is configured, the PFE will crash upon receipt of a malformed ESP packet

HIGH

7.5

CVSS Score

Published: October 18, 2022 at 02:46 AM UTC

Updated: June 17, 2026 at 04:27 AM UTC

10 products affected across 2 vendorsJunosSRX5800SRX5600

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Severity

HIGH7.5

Exploit prediction

EPSS 0.7%

SSVC

No known exploit

Description

An Improper Validation of Specified Index, Position, or Offset in Input vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). On SRX5000 Series with SPC3, SRX4000 Series, and vSRX, when PowerMode IPsec is configured and a malformed ESP packet matching an established IPsec tunnel is received the PFE crashes. This issue affects Juniper Networks Junos OS on SRX5000 Series with SPC3, SRX4000 Series, and vSRX: All versions prior to 19.4R2-S6, 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R1-S2, 21.3R2.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Junos · Juniper Networks

95%

v < 19.4v < 19.4R2-S6, 19.4R3-S720.1 ≤ v < 20.1R3-S320.2 ≤ v < 20.2R3-S420.3 ≤ v < 20.3R3-S320.4 ≤ v < 20.4R3-S221.1 ≤ v < 21.1R321.2 ≤ v < 21.2R321.3 ≤ v < 21.3R1-S2, 21.3R219.4 19.4 r1 19.4 r1-s1 19.4 r1-s2 19.4 r1-s3 19.4 r1-s4 19.4 r2 19.4 r2-s1 19.4 r2-s2 19.4 r2-s3 19.4 r2-s4 19.4 r2-s5 19.4 r3-s7 20.1 20.1 r1 20.1 r1-s1 20.1 r1-s2 20.1 r1-s3 20.1 r1-s4 20.1 r2 20.1 r2-s1 20.1 r2-s2 20.1 r3 20.1 r3-s1 20.1 r3-s2 20.2 20.2 r1 20.2 r1-s1 20.2 r1-s2 20.2 r1-s3 20.2 r2 20.2 r2-s1 20.2 r2-s2 20.2 r2-s3 20.2 r3 20.2 r3-s1 20.2 r3-s2 20.2 r3-s3 20.3 20.3 r1 20.3 r1-s1 20.3 r1-s2 20.3 r2 20.3 r2-s1 20.3 r3 20.3 r3-s1 20.3 r3-s2 20.4 20.4 r1 20.4 r1-s1 20.4 r2 20.4 r2-s1 20.4 r2-s2 20.4 r3 20.4 r3-s1 21.1 21.1 r1 21.1 r1-s1 21.1 r2 21.1 r2-s1 21.1 r2-s2 21.2 21.2 r1 21.2 r1-s1 21.2 r1-s2 21.2 r2 21.3 21.3 r1 21.3 r1-s1 21.3 r2

Affected range stops below 19.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.4R2-S6, 19.4R3-S7, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.1R3-S3, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.2R3-S4, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.3R3-S3, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.4R3-S2, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.1R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.2R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.3R1-S2, 21.3R2, so it looks safe — our inference, not a vendor statement

juniper-srx4000 (environment) · juniper-srx4100 (environment) · juniper-srx4200 (environment) · juniper-srx4600 (environment) · juniper-srx5000 (environment) · juniper-srx5400 (environment) · juniper-srx5600 (environment) · juniper-srx5800 (environment) · juniper-vsrx (environment)

Srx4000 · Juniperdevice

80%

All versions

Srx4100 · Juniperdevice

80%

All versions

Srx4200 · Juniperdevice

80%

All versions

Srx4600 · Juniperdevice

80%

All versions