Vulnerability · Published May 18, 2021 · Assigned by mitre

CVE-2020-20253

Medium 6.5

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.1% (higher than 82% of all known vulnerabilities).

Severity (CVSS NVD)6.5Medium

Exploit odds (30 days)2.1%top 18.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Mikrotik RouterOs before 6.47 (stable tree) suffers from a divison by zero vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_lcdstat_4/README.md x_refsource_MISC
20210507 Re: Four vulnerabilities found in MikroTik's RouterOS mailing-list, x_refsource_FULLDISC