CVE-2020-22845
A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of...
CVE-2020-22845 is a high vulnerability (CVSS 7.5) in Mikrotik Routeros, published February 28, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.25%, the 69th percentile. No source names a fixed version.
- Severity
- 7.5 HighCVSS 3.1, NVD
- Exploit chance
- 1.25%EPSS, 69th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted FTP requests.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
Affected products
What each source reports
NVD Score used
A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted FTP requests.
- Record
CVE-2020-22845- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE ListNo score
A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted FTP requests.
- Record
CVE-2020-22845- Updated
- 2026-11-02
EUVDEUVD-2020-15602No score
A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted FTP requests.
- Record
EUVD-2020-15602- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jqx3-4wc3-67jj
A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of...
A buffer overflow in Mikrotik RouterOS 6.47 allows unauthenticated attackers to cause a denial of service (DOS) via crafted FTP requests.
- Record
GHSA-jqx3-4wc3-67jj- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.