apache http-server CVE-2020-1927 vulnerability in Apache and Other Products
Published on April 2, 2020

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In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL within the request URL.

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Weakness Type

What is an Open Redirect Vulnerability?

A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. An http parameter may contain a URL value and could cause the web application to redirect the request to the specified URL. By modifying the URL value to a malicious site, an attacker may successfully launch a phishing scam and steal user credentials. Because the server name in the modified link is identical to the original site, phishing attempts have a more trustworthy appearance.

CVE-2020-1927 has been classified to as an Open Redirect vulnerability or weakness.


Products Associated with CVE-2020-1927

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Affected Versions

Apache HTTP Server Version 2.4.0 to 2.4.41 is affected by CVE-2020-1927

Exploit Probability

EPSS
11.30%
Percentile
93.38%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.