This security bulletin contains one medium risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncontrolled resource exhaustion in the kernel of Juniper Networks Junos OS. A remote non-authenticated attacker can send a huge amount of traffic to the out-of-band management ethernet port and consume all available CPU resources.
Install updates from vendor's website.Vulnerable software versions
Juniper Junos OS: before 18.3R3-S6, 18.4R2-S9, 18.4R3-S9, 19.1R2-S3, 19.1R3-S7, 19.2R1-S7, 19.2R3-S3, 19.3R2-S7, 19.3R3-S4, 19.4R2-S5, 19.4R3-S5, 20.1R3-S1, 20.2R3-S2, 20.3R3-S1, 20.4R2-S2, 20.4R3, 21.1R2, 21.2R1-S1, 21.2R2, 21.3R1CPE2.3
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.