| Summary | An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service (DoS). An attacker repeatedly sending the packet will sustain the Denial of Service (DoS).This issue affects Junos OS: * 25.2 versions before 25.2R2 This issue doesn't not affected Junos OS versions before 25.2R1. This issue affects Junos OS Evolved: This issue doesn't not affected Junos OS Evolved versions before 25.2R1-EVO. eBGP and iBGP are affected. |
|---|---|
| Publication Date | April 10, 2026, 7:16 a.m. |
| Registration Date | April 15, 2026, 11:35 a.m. |
| Last Update | April 17, 2026, 3:37 a.m. |
| CVSS3.1 : HIGH | |
| スコア | 7.4 |
|---|---|
| Vector | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H |
| 攻撃元区分(AV) | 隣接 |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃に必要な特権レベル(PR) | 不要 |
| 利用者の関与(UI) | 不要 |
| 影響の想定範囲(S) | 変更あり |
| 機密性への影響(C) | なし |
| 完全性への影響(I) | なし |
| 可用性への影響(A) | 高 |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:o:juniper:junos:25.2:-:*:*:*:*:*:* | |||||
| cpe:2.3:o:juniper:junos:25.2:r1:*:*:*:*:*:* | |||||
| cpe:2.3:o:juniper:junos:25.2:r1-s1:*:*:*:*:*:* | |||||
| cpe:2.3:o:juniper:junos:25.2:r1-s2:*:*:*:*:*:* | |||||
| cpe:2.3:o:juniper:junos_os_evolved:25.2:-:*:*:*:*:*:* | |||||
| cpe:2.3:o:juniper:junos_os_evolved:25.2:r1:*:*:*:*:*:* | |||||
| cpe:2.3:o:juniper:junos_os_evolved:25.2:r1-s1:*:*:*:*:*:* | |||||
| cpe:2.3:o:juniper:junos_os_evolved:25.2:r1-s2:*:*:*:*:*:* | |||||