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CVE-2019-5645

HIGHCVSS 7.5/10EPSS 41.69%

Last modified

CVE-2019-5645 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. By sending a specially crafted HTTP GET request to a listening Rapid7 Metasploit HTTP handler, an attacker can register an arbitrary regular expression. When evaluated, this malicious handler can either prevent new HTTP handler sessions from being established, or cause a resource exhaustion on the Metasploit server.. EPSS estimates a 41.69% chance of exploitation in the next 30 days.

Description

By sending a specially crafted HTTP GET request to a listening Rapid7 Metasploit HTTP handler, an attacker can register an arbitrary regular expression. When evaluated, this malicious handler can either prevent new HTTP handler sessions from being established, or cause a resource exhaustion on the Metasploit server.

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
41.69%

98.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Rapid7Metasploit<= 5.0.27

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-5645?
By sending a specially crafted HTTP GET request to a listening Rapid7 Metasploit HTTP handler, an attacker can register an arbitrary regular expression. When evaluated, this malicious handler can either prevent new HTTP handler sessions from being established, or cause a resource exhaustion on the Metasploit server.
How severe is CVE-2019-5645?
CVE-2019-5645 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 41.69% probability of exploitation in the next 30 days.
How do I fix CVE-2019-5645?
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-2019-5645?

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

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Source: NVD / NIST