Vulnerability in Juniper Networks Junos Os
CVE-2021-31379
An Incorrect Behavior Order vulnerability in the MAP-E automatic tunneling mechanism of Juniper Networks Junos OS allows an attacker to send certain malformed IPv4 or IPv6 packets to cause a Denial of Service (DoS) to the PFE on the device…
EPSS: 0.003 (57.4th 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
- Juniper Networks Junos Os — versions unspecified, 17.2R1, 17.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- kb.juniper.net/JSA11247 (x_refsource_CONFIRM)
- www.juniper.net/documentation/en_US/junos/topics/topic-map/map-e-configuring.ht… (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-31379?
- CVE-2021-31379 is a high-severity vulnerability in Juniper Networks Junos Os, classified under CWE-696. CVSS score: 7.5/10. Published 2021-10-19.
- How severe is CVE-2021-31379?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-31379 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.