Vulnerability Details : CVE-2011-3368

Public exploit exists!
The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21 does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to send requests to intranet servers via a malformed URI containing an initial @ (at sign) character.
Published 2011-10-05 22:55:03
Updated 2021-06-06 11:15:17
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validation

Products affected by CVE-2011-3368

Threat overview for CVE-2011-3368

Top countries where our scanners detected CVE-2011-3368
Top open port discovered on systems with this issue 80
IPs affected by CVE-2011-3368 899,400
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-3368!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-3368

EPSS FAQ
97.02%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2011-3368

  • Apache Reverse Proxy Bypass Vulnerability Scanner
    First seen: 2020-04-26
    auxiliary/scanner/http/rewrite_proxy_bypass
    Scan for poorly configured reverse proxy servers. By default, this module attempts to force the server to make a request with an invalid domain name. Then, if the bypass is successful, the server will look it up and of course fail, then responding with a stat

CVSS scores for CVE-2011-3368

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
 NIST

CWE ids for CVE-2011-3368

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-3368

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