Vulnerability in Mikrotik Routeros
CVE-2020-11881
An array index error in MikroTik RouterOS 6.41.3 through 6.46.5, and 7.x through 7.0 Beta5, allows an unauthenticated remote attacker to crash the SMB server via modified setup-request packets, aka SUP-12964.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.038 (89.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000
Affected products
- Mikrotik Routeros — versions 7.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- mikrotik.com (Vendor Advisory)
- github.com/botlabsDev/CVE-2020-11881 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-11881?
- CVE-2020-11881 is a high-severity vulnerability in Mikrotik Routeros, classified under Improper Validation of Array Index. CVSS score: 7.5/10. Published 2020-09-14.
- How severe is CVE-2020-11881?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-11881 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.