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httpdApache Team FoundationHTTPD:F6C47B71D440F1A5B8EC9883D1516A33
HistoryMay 11, 2021 - 12:00 a.m.

Apache Httpd < 2.4.49 : Request splitting via HTTP/2 method injection and mod_proxy

2021-05-1100:00:00
Apache Team Foundation
httpd.apache.org
46
apache
http server
request splitting

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

47.3%

JSON

A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning.

This issue affects Apache HTTP Server 2.4.17 to 2.4.48.

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photon 5
hackerone 1
alpinelinux 1
f5 1
nvd 1
debiancve 1
ibm 5
oraclelinux 2
ubuntucve 1
fedora 2
debian 1
rocky 1
redhat 4
rosalinux 2
almalinux 1
altlinux 2
slackware 1
ubuntu 3
kaspersky 1
freebsd 1
cisco 1
mageia 1
amazon 2
gentoo 1
oracle 2
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CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

47.3%

JSON
Related for HTTPD:F6C47B71D440F1A5B8EC9883D1516A33
cbl_mariner2nessus31openvas15suse2osv8veracode1cvelist1redhatcve1prion1cve1photon5hackerone1alpinelinux1f51nvd1debiancve1ibm5oraclelinux2ubuntucve1fedora2debian1rocky1redhat4rosalinux2almalinux1altlinux2slackware1ubuntu3kaspersky1freebsd1cisco1mageia1amazon2gentoo1oracle2