TI-2022-06521 Aliases CVE-2022-22188 GHSA-vj9w-x659-cjhq

Heap-based buffer overflow in Juniper Junos OS

LOW 36CWE-122Published 2022-04-14 · Updated 2024-09-16

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.

Summary

An Uncontrolled Memory Allocation vulnerability leading to a Heap-based Buffer Overflow in the packet forwarding engine (PFE) of Juniper Networks Junos OS allows a network-based unauthenticated attacker to flood the device with traffic leading to a Denial of Service (DoS). The device must be configured with storm control profiling limiting the number of unknown broadcast, multicast, or unicast traffic to be vulnerable to this issue. This issue affects: Juniper Networks Junos OS on QFX5100/QFX5110/QFX5120/QFX5200/QFX5210/EX4600/EX4650 Series; 20.2 version 20.2R1 and later versions prior to 20.2R2. This issue does not affect: Juniper Networks Junos OS versions prior to 20.2R1.

Why it matters now

EPSS 0.01503 74th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Juniper	Junos OS	20.2R1 and later	—	No fix listed	CNA

Junos OS VendorJuniper Affected 20.2R1 and later Fixed in — No fix listed CNA

CPE configurations NVD · 11

CPE	Versions	Role	Vendor
cpe:2.3:o:juniper:junos:20.2:r1::::::	20.2 r1	Vulnerable	Juniper
cpe:2.3:o:juniper:junos:20.2:r1-s1::::::	20.2 r1-s1	Vulnerable	Juniper
cpe:2.3:o:juniper:junos:20.2:r1-s2::::::	20.2 r1-s2	Vulnerable	Juniper
cpe:2.3:o:juniper:junos:20.2:r1-s3::::::	20.2 r1-s3	Vulnerable	Juniper
cpe:2.3:h:juniper:ex4600:-:::::::*	not specified by NVD	Running on	Juniper
cpe:2.3:h:juniper:ex4650:-:::::::*	not specified by NVD	Running on	Juniper
cpe:2.3:h:juniper:qfx5100:-:::::::*	not specified by NVD	Running on	Juniper
cpe:2.3:h:juniper:qfx5110:-:::::::*	not specified by NVD	Running on	Juniper
cpe:2.3:h:juniper:qfx5120:-:::::::*	not specified by NVD	Running on	Juniper
cpe:2.3:h:juniper:qfx5200:-:::::::*	not specified by NVD	Running on	Juniper

cpe:2.3:o:juniper:junos:20.2:r1:*:*:*:*:*:* Versions 20.2 r1 Vulnerable ·Juniper
cpe:2.3:o:juniper:junos:20.2:r1-s1:*:*:*:*:*:* Versions 20.2 r1-s1 Vulnerable ·Juniper
cpe:2.3:o:juniper:junos:20.2:r1-s2:*:*:*:*:*:* Versions 20.2 r1-s2 Vulnerable ·Juniper
cpe:2.3:o:juniper:junos:20.2:r1-s3:*:*:*:*:*:* Versions 20.2 r1-s3 Vulnerable ·Juniper
cpe:2.3:h:juniper:ex4600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
cpe:2.3:h:juniper:ex4650:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
cpe:2.3:h:juniper:qfx5100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
cpe:2.3:h:juniper:qfx5110:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
cpe:2.3:h:juniper:qfx5120:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper
cpe:2.3:h:juniper:qfx5200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper

Show 1 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:h:juniper:qfx5210:-:::::::*	not specified by NVD	Running on	Juniper

cpe:2.3:h:juniper:qfx5210:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Juniper

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-22188
2026-10-03 Alias added: GHSA-vj9w-x659-cjhq

References

Exploit 1

https://kb.juniper.net/JSA69497

TI-2023-18638 Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to… KEVCVSS 3.1CRITICAL 9.8
TI-2020-01585 Out of Cycle Security Advisory: Junos OS: Security vulnerability in J-Web and web based (HTTP/HTTPS) services KEVCVSS 3.1CRITICAL 9.8
TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
TI-2025-15550 Junos OS: An local attacker with shell access can execute arbitrary code KEVCVSS 4.0MEDIUM 6.7
TI-2023-18644 Junos OS: SRX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload and download arbitrary files KEVCVSS 3.1MEDIUM 5.3
TI-2023-18640 Junos OS: EX Series: A vulnerability in J-Web allows an unauthenticated attacker to upload arbitrary files KEVCVSS 3.1MEDIUM 5.3

See all 792 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences