CVE-2020-13950
high-risk
Published 2021-06-10
Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of Service
Do I need to act?
!
21.5% chance of exploitation in next 30 days
EPSS score — higher than 78% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
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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 (10)
Affected Vendors
References (20)
Vendor Advisory
http://httpd.apache.org/security/vulnerabilities_24.html
Third Party Advisory
https://security.gentoo.org/glsa/202107-38
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0001/
Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html
Vendor Advisory
http://httpd.apache.org/security/vulnerabilities_24.html
Third Party Advisory
https://security.gentoo.org/glsa/202107-38
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0001/
Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html
56
/ 100
high-risk
Severity
26/34 · High
Exploitability
14/34 · Moderate
Exposure
16/34 · Moderate