Vulnerability in Mikrotik Routeros
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_ipsec/README.md (Broken Link)
- seclists.org/fulldisclosure/2021/May/2 (Exploit, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-20262?
- CVE-2020-20262 is a medium-severity vulnerability in Mikrotik Routeros, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2021-07-21.
- How severe is CVE-2020-20262?
- Medium severity. CVSS v3 base score is 6.5 out of 10.