CVE-2023-28979

mediumpriority · track · 19EPSS 0.003 · 20 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.27% (20th) EPSS

CVSS 4.7 · medium

Is it mine?

30 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to bypass an integrity check. In a 6PE scenario and if an additional integrity check is configured, it will fail to drop specific malformed IPv6 packets, and then these packets will be forwarded to other connected networks. This issue affects Juniper Networks Junos OS: All versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R3-S9; 20.2 versions prior to 20.2R3-S7; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S3; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R3-S1; 21.4 versions prior to 21.4R2-S1, 21.4R3; 22.1 versions prior to 22.1R2; 22.2 versions prior to 22.2R2.

cvss

Technical severity, 0–10. One row per scoring source.

4.7

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.7mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.14.7mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Nsecondary · ENISA EU

v3.14.7mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Nsecondary · sirt@juniper.net USexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-754US

affected products (30)

Products and version ranges known to be affected.

Juniper JUNOSall versionscert_bundDEcpe:/o:juniper:junos:-
Juniper JUNOS Evolvedall versionscert_bundDEcpe:/o:juniper:junos:evolved
Juniper MX Seriesall versionscert_bundDEcpe:/h:juniper:mx:-
Juniper QFX Seriesall versionscert_bundDEcpe:/h:juniper:qfx:-
Juniper QFX Series QFX10000all versionscert_bundDEcpe:/h:juniper:qfx:qfx10000
Juniper QFX Series QFX10002all versionscert_bundDEcpe:/h:juniper:qfx:qfx10002
Juniper SRX Seriesall versionscert_bundDEcpe:/h:juniper:srx_service_gateways:-
Juniper Networks Junos OS19.4 → 19.4R3-S9enisa_euvdEU
Juniper Networks Junos OS20.2 → 20.2R3-S7enisa_euvdEU
Juniper Networks Junos OS20.3 → 20.3R3-S5enisa_euvdEU
Juniper Networks Junos OS20.4 → 20.4R3-S4enisa_euvdEU
Juniper Networks Junos OS21.1 → 21.1R3-S3enisa_euvdEU
Juniper Networks Junos OS21.2 → 21.2R3-S2enisa_euvdEU
Juniper Networks Junos OS21.3 → 21.3R3-S1enisa_euvdEU
Juniper Networks Junos OS21.4 → 21.4R2-S1, 21.4R3enisa_euvdEU
Juniper Networks Junos OS22.1 → 22.1R2enisa_euvdEU
Juniper Networks Junos OS22.2 → 22.2R2enisa_euvdEU
Juniper Networks Junos OSunspecified → 19.3R3-S7enisa_euvdEU
juniper junos< 19.3nvdUScpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
juniper junos= 19.3nvdUScpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*

showing 20 of 30

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0951Juniper Produkte: Mehrere SchwachstellenDeutsch2023-04-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Juniper JUNOS, Juniper QFX Series, Juniper SRX Series und Juniper MX Series ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand zu verursachen und Daten zu manipulieren.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2023-04-17modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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