CVE-2026-102047
CVE-2026-102047 · Junos OS and Junos OS Evolved: An attacker causes l2cpd denial of service when MVRP is used
This page contains facts from public vulnerability sources. Check the original advisory before updating.
An Improper Validation of Consistency within Input vulnerability in the l2cpd process of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated Layer 2 attacker to cause a denial of service in associated Layer 2 control protocols via a crafted MVRP Ethernet frame sent to an MVRP-enabled interface.
CVSS 7.1 · High · EPSS 0.3% · Fix available
- Published
- Updated
Affected products and versions
junos os
- Versions
- ≥ 0, < 23.2R2-S7.7: Affected (custom)
- ≥ 23.4, < 23.4R2-S8.13: Affected (custom)
- ≥ 24.2, < 24.2R2-S5.5: Affected (custom)
- ≥ 24.4, < 24.4R2-S5: Affected (custom)
- ≥ 25.2, < 25.2R2-S2: Affected (custom)
- ≥ 25.4, < 25.4R1-S3: Affected (custom)
- ≥ 26.2, < 26.2R1-S2: Affected (custom)
Update to 23.2R2-S7.7
junos os evolved
- Versions
- ≥ 0, < 23.2R2-S7.7-EVO: Affected (custom)
- ≥ 23.4, < 23.4R2-S8.11-EVO: Affected (custom)
- ≥ 24.2, < 24.2R2-S5.6-EVO: Affected (custom)
- ≥ 24.4, < 24.4R2-S5-EVO: Affected (custom)
- ≥ 25.2, < 25.2R2-S2-EVO: Affected (custom)
- ≥ 25.4, < 25.4R1-S3-EVO: Affected (custom)
- ≥ 26.2, < 26.2R1-S2-EVO: Affected (custom)
- 23.4X100: Affected (custom)
- ≥ 25.2X100, < 25.2X100-D35-EVO: Affected (custom)
- ≥ 25.4X300, < 25.4X300-D40-EVO: Affected (custom)
Update to 23.2R2-S7.7-EVO