CVE-2024-39533
mediumpriority · track · 0EPSS 0.003 · 22 %ileDEEUNLRUUSEPSS · scored 2026-10-27
An Unimplemented or Unsupported Feature in the UI vulnerability in Juniper Networks Junos OS on QFX5000 Series and EX4600 Series allows an unauthenticated, network-based attacker to cause a minor integrity impact to downstream networks.If one or more of the following match conditions ip-source-address ip-destination-address arp-type which are not supported for this type of filter, are used in an ethernet switching filter, and then this filter is applied as an output filter, the configuration can be committed but the filter will not be in effect. This issue affects Junos OS on QFX5000 Series and EX4600 Series: * All version before 21.2R3-S7, * 21.4 versions before 21.4R3-S6, * 22.1 versions before 22.1R3-S5, * 22.2 versions before 22.2R3-S3, * 22.3 versions before 22.3R3-S2, * 22.4 versions before 22.4R3, * 23.2 versions before 23.2R2. Please note that the implemented fix ensures these unsupported match conditions cannot be committed anymore.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.7–6.9
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (30)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2024-0290Kwetsbaarheden verholpen in Juniper Junos OS en Junos OS EvolvedNL2024-07-12csaf · ncsc_nlNL
Er zijn kwetsbaarheden gevonden en verholpen in Juniper Junos OS en Junos OS Evolved.
- WID-SEC-W-2024-1591Juniper JUNOS: Mehrere SchwachstellenDeutsch2024-07-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Juniper JUNOS ausnutzen, um einen Denial of Service zu verursachen, Informationen offenzulegen, Privilegien zu erweitern und Sicherheitsmechanismen inklusive zu umgehen.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2024-39533/cnnvd
- https://supportportal.juniper.net/JSA82993cnnvd
- https://vigilance.fr/vulnerability/Juniper-Junos-OS-egress-filtrering-bypass-dated-12-07-2024-44734cnnvd
- https://supportportal.juniper.net/JSA82993enisa_euvd
- https://supportportal.juniper.net/JSA82993Vendor Advisorynvd
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