Strix
26.1K

CVE-2020-13950

HIGHCVSS 7.5/10EPSS 49.09%

Last modified

CVE-2020-13950 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 49.09% chance of exploitation in the next 30 days.

Description

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

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
49.09%

98.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheHttp Server>= 2.4.41, <= 2.4.46
DebianDebian Linux9.0
DebianDebian Linux10.0
FedoraprojectFedora34
FedoraprojectFedora35
OracleEnterprise Manager Ops Center12.4.0.0
OracleInstantis Enterprisetrack17.1
OracleInstantis Enterprisetrack17.2
OracleInstantis Enterprisetrack17.3
OracleZfs Storage Appliance Kit8.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-13950?
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
How severe is CVE-2020-13950?
CVE-2020-13950 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 49.09% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13950?
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-2020-13950?

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

Scan your code now

Source: NVD / NIST