Junos OS: MX Series: The bbe-smgd process crashes if an unsupported configuration exists and a PPPoE client sends a specific message (Juniper Networks Junos OS)

CVE-2022-22160

MEDIUM 6.5

At a glance

Source: NVD
EPSS: EPSS 0.36 % · percentile 30 (2026-11-01)
State: PUBLISHED
Published: 2022-01-19 00:21 UTC
Updated: 2024-09-17 03:59 UTC
Assigner: juniper
NVD status: Modified

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Description

An Unchecked Error Condition vulnerability in the subscriber management daemon (smgd) of Juniper Networks Junos OS allows an unauthenticated adjacent attacker to cause a crash of and thereby a Denial of Service (DoS). In a subscriber management / broadband edge environment if a single session group configuration contains dual-stack and a pp0 interface, smgd will crash and restart every time a PPPoE client sends a specific message. This issue affects Juniper Networks Junos OS on MX Series: 16.1 version 16.1R1 and later versions prior to 18.4R3-S10; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 16.1R1.

Weaknesses (CWE)

CWE-391 — DEPRECATED: Unchecked Error Condition

References

https://kb.juniper.net/JSA11268

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	juniper
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · sirt@juniper.net (Secondary)
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	LOW 2.9	AV:A/AC:M/Au:N/C:N/I:N/A:P	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2022-27307
GCVE · GCVE-0-2022-22160

CERT-FR advisories

CERTFR-2022-AVI-040 — Multiples vulnérabilités dans les produits Juniper · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:juniper:junos:16.1:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r3-s10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r3-s11:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r3-s8:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r4-s12:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r4-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r4-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r4-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r4-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r4-s8:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r4-s9:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r5-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r6-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r6-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r6-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r6-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r7:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r7-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r7-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r7-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r7-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r7-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r7-s7:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r7-s8:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1x65:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1x65:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1x65:d20:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1x65:d30:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1x65:d35:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1x65:d40:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1x65:d48:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1x70:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.2:-:*:*:*:*:*:*
+324 more

Affected products

Product	Versions
Juniper Networks · Junos OS	affected unspecified < 18.4R3-S10 ; unaffected unspecified < 16.1R1 ; affected 16.1R1 < 16.1* ; affected 19.1 < 19.1R2-S3, 19.1R3-S7 ; affected 19.2 < 19.2R1-S8, 19.2R3-S4 ; affected 19.3 < 19.3R3-S4

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

🟡 Junos OS: MX Series: The bbe-smgd process crashes if an unsupported configuration exists and a PPPoE client sends a specific message (Juniper Networks Junos OS)