High severity · published Sep 1, 2020
CVE-2019-5645
Rapid7 Metasploit HTTP Handler Denial of Service
7.5
CVSS
49.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)49.2% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MF
Metasploit Framework · Rapid7
through 5.0.27 · source: vendor
ME
Metasploit · Rapid7
through 5.0.27 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-5645
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-5645
github.com
https://github.com/rapid7/metasploit-framework/commit/5621d200ccf62e4a8f0dad80c1c74f4e0e52d86b
github.com
https://github.com/rapid7/metasploit-framework/pull/11966
Patch
https://github.com/rapid7/metasploit-framework/pull/12433
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