CVE-2020-20262

Mikrotik RouterOs before 6.47 (stable tree) suffers from an assertion failure vulnerability in the /ram/pckg/security/nova/bin/ipsec process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 56%
VendorProductVersion
mikrotikrouteros
𝑥
< 6.47
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_ipsec/README.md
https://seclists.org/fulldisclosure/2021/May/2
https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_ipsec/README.md
https://seclists.org/fulldisclosure/2021/May/2