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Vulnerability Details : CVE-2021-22876

curl 7.1.1 to and including 7.75.0 is vulnerable to an "Exposure of Private Personal Information to an Unauthorized Actor" by leaking credentials in the HTTP Referer: header. libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header field in outgoing HTTP requests, and therefore risks leaking sensitive data to the server that is the target of the second HTTP request.
Publish Date : 2021-04-01 Last Update Date : 2022-04-06
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:4511: curl security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20214511 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-22876

# Product Type Vendor Product Version Update Edition Language
1 OS Broadcom Fabric Operating System - * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 32 * * * Version Details Vulnerabilities
4 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
5 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
6 Application Haxx Libcurl * * * * Version Details Vulnerabilities
7 Hardware Netapp Hci Compute Node - * * * Version Details Vulnerabilities
8 Application Netapp Hci Management Node - * * * Version Details Vulnerabilities
9 Hardware Netapp Hci Storage Node - * * * Version Details Vulnerabilities
10 Application Netapp Solidfire - * * * Version Details Vulnerabilities
11 Application Oracle Communications Billing And Revenue Management * * * Version Details Vulnerabilities
12 Application Oracle Essbase 21.2 * * * Version Details Vulnerabilities
13 Application Siemens Sinec Infrastructure Network Services * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Broadcom Fabric Operating System 1
Debian Debian Linux 1
Fedoraproject Fedora 3
Haxx Libcurl 1
Netapp Hci Compute Node 1
Netapp Hci Management Node 1
Netapp Hci Storage Node 1
Netapp Solidfire 1
Oracle Communications Billing And Revenue Management 1
Oracle Essbase 1
Siemens Sinec Infrastructure Network Services 1

- References For CVE-2021-22876
FEDORA FEDORA-2021-cab5c9befb
FEDORA FEDORA-2021-065371f385
GENTOO GLSA-202105-36
FEDORA FEDORA-2021-26a293c72b
MLIST [debian-lts-announce] 20210517 [SECURITY] [DLA 2664-1] curl security update CONFIRM CONFIRM

- Metasploit Modules Related To CVE-2021-22876

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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