CVE-2020-20236: mikrotik routeros Out-of-bounds Write
Vulnerability summary
CVE-2020-20236 is a medium (CVSS 6.5) Out-of-bounds Write vulnerability in mikrotik routeros. EPSS estimates a 3.17% chance of exploitation in the next 30 days, higher than 87.9% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 18-05-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Mikrotik RouterOs 6.46.3 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/sniffer process. An authenticated remote attacker can cause a Denial of Service due to improper memory access.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
3.17%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.17% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (seclists.org)
Maturity: unknown
Exploit Reference (packetstormsecurity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Mikrotik1 product
- routerosEOL6.46.3
1 vendor · 1 product