Integer overflow in Juniper Junos
CVE-2020-1634
On High-End SRX Series devices, in specific configurations and when specific networking events or operator actions occur, an SPC receiving genuine multicast traffic may core. Subsequently, all FPCs in a chassis may reset causing a Denial of Service. This issue affects both IPv4 and IPv6. This issue affects: Juniper Networks Junos OS 12.3X48 version 12.3X48-D80 and later versions prior to 12.3X48-D95 on High-End SRX Series. This issue does not affect Branch SRX Series devices.
Vulnerability class: Integer Overflow
EPSS: 0.013 (66.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- sirt@juniper.net (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-1634?
- CVE-2020-1634 is a high-severity vulnerability in Juniper Junos, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2020-04-08.
- How severe is CVE-2020-1634?
- High severity. CVSS v3 base score is 7.5 out of 10.