Juniper Networks Junos OS uses the 128.0.0.0/2 subnet for internal communications between the RE and PFEs. It exists that packets utilizing these IP addresses may egress an QFX5000 Series switch, leaking configuration information such as heartbeats, kernel versions, etc. out to the Internet, leading to an information exposure vulnerability. This issue affects Juniper Networks Junos OS on QFX5110, QFX5120, QFX5200, QFX5210 Series, and QFX5100 with QFX 5e Series image installed: All versions before 17.3R3-S12; 18.1 versions before 18.1R3-S13; 18.3 versions before 18.3R3-S5; 19.1 versions before 19.1R3-S6; 19.2 versions before 19.2R1-S7, 19.2R3-S3; 19.3 versions before 19.3R2-S6, 19.3R3-S3; 19.4 versions before 19.4R1-S4, 19.4R3-S5; 20.1 versions before 20.1R2-S2, 20.1R3-S1; 20.2 versions before 20.2R3-S2; 20.3 versions before 20.3R3-S1; 20.4 versions before 20.4R2-S1, 20.4R3; 21.1 versions before 21.1R1-S1, 21.1R2;
| Vulnerable Product | Search on Vulmon | Subscribe to Product |
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juniper junos 17.3 |
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juniper junos 18.1 |
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juniper junos 18.3 |
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juniper junos 19.1 |
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juniper junos 19.2 |
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juniper junos 19.3 |
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juniper junos 19.4 |
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juniper junos 20.1 |
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juniper junos |
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juniper junos 20.2 |
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juniper junos 20.3 |
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juniper junos 20.4 |
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juniper junos 21.1 |
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