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cve[email protected]CVE-2021-33193
HistoryAug 16, 2021 - 8:15 a.m.

CVE-2021-33193

2021-08-1608:15:00
NVD-CWE-Other
[email protected]
web.nvd.nist.gov
1360
6
cve-2021-33193
http/2
request validation
apache
mod_proxy
request splitting
cache poisoning

7.5 High

CVSS3

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

7.5 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

47.1%

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.

References

Social References

More

Related

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openvas 15
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prion 1
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f5 1
hackerone 1
httpd 1
alpinelinux 1
oraclelinux 2
ubuntucve 1
debiancve 1
ibm 5
fedora 2
redhat 4
debian 1
rocky 1
rosalinux 2
almalinux 1
altlinux 2
slackware 1
kaspersky 1
ubuntu 3
mageia 1
cisco 1
freebsd 1
amazon 2
gentoo 1
oracle 2
osv
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BIT-apache-2021-33193
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7.5 High

CVSS3

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

7.5 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.001 Low

EPSS

Percentile

47.1%

JSON
Related for CVE-2021-33193
osv8nessus29suse2cvelist1openvas15veracode1cbl_mariner2prion1redhatcve1photon5f51hackerone1httpd1alpinelinux1oraclelinux2ubuntucve1debiancve1ibm5fedora2redhat4debian1rocky1rosalinux2almalinux1altlinux2slackware1kaspersky1ubuntu3mageia1cisco1freebsd1amazon2gentoo1oracle2