CVE-2020-20262 — MEDIUM (6.5)

Q: How severe is CVE-2020-20262?

CVE-2020-20262 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-20262?

Check the references section above for vendor advisories and patch information. Affected products include: Mikrotik Routeros.

Vulnerability Description

Mikrotik RouterOs before 6.47 (stable tree) suffers from an assertion failure vulnerability in the /ram/pckg/security/nova/bin/ipsec process. An authenticated remote attacker can cause a Denial of Service due to an assertion failure via a crafted packet.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mikrotik	Routeros	< 6.47

Related Weaknesses (CWE)

CWE-617

References

https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_ipsec/RBroken Link
https://seclists.org/fulldisclosure/2021/May/2ExploitMailing ListThird Party Advisory
https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_ipsec/RBroken Link
https://seclists.org/fulldisclosure/2021/May/2ExploitMailing ListThird Party Advisory

FAQ

What is CVE-2020-20262?

CVE-2020-20262 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Mikrotik RouterOs before 6.47 (stable tree) suffers from an assertion failure vulnerability in the /ram/pckg/security/nova/bin/ipsec process. An authenticated remote attacker can cause a Denial of Ser...

How severe is CVE-2020-20262?

CVE-2020-20262 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-20262?

Check the references section above for vendor advisories and patch information. Affected products include: Mikrotik Routeros.