CVE-2023-30800

HIGHCVSS 7.5/10EPSS 1.70%

Last modified

CVE-2023-30800 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The web server used by MikroTik RouterOS version 6 is affected by a heap memory corruption issue. A remote and unauthenticated attacker can corrupt the server's heap memory by sending a crafted HTTP request. EPSS estimates a 1.70% chance of exploitation in the next 30 days.

Description

The web server used by MikroTik RouterOS version 6 is affected by a heap memory corruption issue. A remote and unauthenticated attacker can corrupt the server's heap memory by sending a crafted HTTP request. As a result, the web interface crashes and is immediately restarted. The issue was fixed in RouterOS 6.49.10 stable. RouterOS version 7 is not affected.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
1.70%

74.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MikrotikRouteros>= 6.0, < 6.49.10

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-30800?
The web server used by MikroTik RouterOS version 6 is affected by a heap memory corruption issue. A remote and unauthenticated attacker can corrupt the server's heap memory by sending a crafted HTTP request. As a result, the web interface crashes and is immediately restarted. The issue was fixed in RouterOS 6.49.10 stable. RouterOS version 7 is not affected.
How severe is CVE-2023-30800?
CVE-2023-30800 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.70% probability of exploitation in the next 30 days.
How do I fix CVE-2023-30800?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-30800?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST