CVE-2016-8740
high-risk
Published 2016-12-05
The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.
Do I need to act?
!
68.3% chance of exploitation in next 30 days
EPSS score — higher than 32% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (7)
Affected Vendors
References (56)
Third Party Advisory
http://www.securityfocus.com/bid/94650
Third Party Advisory
http://www.securitytracker.com/id/1037388
and 36 more references
59
/ 100
high-risk
Severity
26/34 · High
Exploitability
19/34 · Moderate
Exposure
14/34 · Moderate