CVE-2020-20248 json
Mikrotik RouterOs before stable 6.47 suffers from an uncontrolled resource consumption in the memtest process.
published 5y ago modified 4mo ago also EUVD-2020-13035
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
Mikrotik RouterOs before stable 6.47 suffers from an uncontrolled resource consumption in the memtest process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.
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1.82% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20248/README.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
github.com
/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20248/README.md
exploit, third-party-advisory
-
cwe.mitre.org
/data/definitions/400.html
third-party-advisory
Sources
- CVE List CVE-2020-20248
- NVD CVE-2020-20248
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