CVE-2019-0001
high-risk
Published 2019-01-15
Receipt of a malformed packet on MX Series devices with dynamic vlan configuration can trigger an uncontrolled recursion loop in the Broadband Edge subscriber management daemon (bbe-smgd), and lead to high CPU usage and a crash of the bbe-smgd service. Repeated receipt of the same packet can result in an extended denial of service condition for the device. Affected releases are Juniper Networks Junos OS: 16.1 versions prior to 16.1R7-S1; 16.2 versions prior to 16.2R2-S7; 17.1 versions prior to 17.1R2-S10, 17.1R3; 17.2 versions prior to 17.2R3; 17.3 versions prior to 17.3R3-S1; 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R3; 18.2 versions prior to 18.2R2.
Do I need to act?
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0.63% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (20)
Affected Vendors
References (8)
Third Party Advisory
http://www.securityfocus.com/bid/106541
Vendor Advisory
https://kb.juniper.net/JSA10900
Third Party Advisory
http://www.securityfocus.com/bid/106541
Vendor Advisory
https://kb.juniper.net/JSA10900
56
/ 100
high-risk
Severity
26/34 · High
Exploitability
2/34 · Minimal
Exposure
28/34 · Critical