CVE-2021-0208 is an improper input validation vulnerability in the Routing Protocol Daemon (RPD) service of Juniper Networks Junos OS and Junos OS Evolved. An attacker can send a malformed RSVP packet to an egress router when bidirectional LSPs are in use, causing the RPD to crash and resulting in a Denial of Service (DoS) condition. The vulnerability has a CVSS score of 8.8 (HIGH), indicating a network-adjacent attack vector with low complexity, leading to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
15.1x49CPE matchmatch criteria | cpe:2.3:o:juniper:junos:15.1x49:-:*:*:*:*:*:* | ||
15.1x49CPE matchmatch criteria | cpe:2.3:o:juniper:junos:15.1x49:d10:*:*:*:*:*:* | ||
15.1x49CPE matchmatch criteria | cpe:2.3:o:juniper:junos:15.1x49:d100:*:*:*:*:*:* | ||
15.1x49CPE matchmatch criteria | cpe:2.3:o:juniper:junos:15.1x49:d110:*:*:*:*:*:* | ||
15.1x49CPE matchmatch criteria | cpe:2.3:o:juniper:junos:15.1x49:d120:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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