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

CVE-2021-33193

2021-08-1608:15:11
[email protected]
web.nvd.nist.gov
1

5 Medium

CVSS2

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

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

0.001 Low

EPSS

Percentile

47.4%

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.

Affected configurations

NVD
Node
apachehttp_serverRange2.4.17–2.4.48
Node
fedoraprojectfedoraMatch34
OR
fedoraprojectfedoraMatch35
Node
tenabletenable.scRange≤5.19.1
Node
oraclesecure_backupRange<18.1.0.1.0
OR
oraclezfs_storage_appliance_kitMatch8.8

References

Related

redhatcve 1
nessus 29
prion 1
cbl_mariner 2
openvas 15
cve 1
suse 2
veracode 1
osv 8
cvelist 1
ubuntucve 1
debiancve 1
oraclelinux 2
ibm 5
f5 1
httpd 1
photon 5
alpinelinux 1
hackerone 1
fedora 2
redhat 4
rosalinux 2
rocky 1
debian 1
almalinux 1
altlinux 2
freebsd 1
cisco 1
ubuntu 3
mageia 1
slackware 1
kaspersky 1
amazon 2
gentoo 1
oracle 2
redhatcve
redhatcve
CVE-2021-33193
2021-08-12 02:03:43
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nessus
openSUSE 15 Security Update : apache2 (openSUSE-SU-2021:1234-1)
2021-09-08 00:00:00
Photon OS 2.0: Httpd PHSA-2021-2.0-0393
2021-09-27 00:00:00
Photon OS 1.0: Httpd PHSA-2021-1.0-0435
2021-09-27 00:00:00
prion
prion
Input validation
2021-08-16 08:15:00
cbl_mariner
cbl_mariner
CVE-2021-33193 affecting package httpd 2.4.46-6
2021-09-09 15:02:57
CVE-2021-33193 affecting package httpd for versions less than 2.4.52-1
2022-04-09 06:51:57
openvas
openvas
SUSE: Security Advisory (SUSE-SU-2021:2954-1)
2021-09-05 00:00:00
openSUSE: Security Advisory for apache2 (openSUSE-SU-2021:2954-1)
2021-09-04 00:00:00
Apache HTTP Server 2.4.17 < 2.4.49 'mod_proxy' HTTP/2 Request Smuggling Vulnerability - Linux
2021-08-09 00:00:00
cve
cve
CVE-2021-33193
2021-08-16 08:15:11
suse
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Security update for apache2 (important)
2021-09-03 00:00:00
Security update for apache2 (important)
2021-09-07 00:00:00
veracode
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Privilege Escalation
2021-08-13 01:56:49
osv
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CVE-2021-33193
2021-08-16 08:15:11
BIT-apache-2021-33193
2024-03-06 10:55:40
Moderate: httpd:2.4 security and bug fix update
2022-05-10 08:07:40
cvelist
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CVE-2021-33193 Request splitting via HTTP/2 method injection and mod_proxy
2021-08-16 00:00:00
ubuntucve
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CVE-2021-33193
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debiancve
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oraclelinux
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httpd:2.4 security update
2022-04-13 00:00:00
httpd:2.4 security and bug fix update
2022-05-17 00:00:00
ibm
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Security Bulletin: IBM Aspera Orchestrator affected by HTTP request splitting attack due to Apache HTTP Server vulnerability (CVE-2021-33193)
2023-02-02 20:39:06
Security Bulletin: IBM Rational Build Forge 8.0.x is affected by Apache HTTP Server version used in it. (CVE-2021-33193)
2022-01-17 18:26:42
Security Bulletin: Vulnerabilities in Apache HTTP (CVE-2021-33193 and CVE-2021-44224) affects Power HMC
2022-12-04 00:13:21
f5
f5
K94828628 : Apache mod_proxy HTTP/2 vulnerability CVE-2021-33193
2021-09-13 00:00:00
httpd
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Apache Httpd < 2.4.49 : Request splitting via HTTP/2 method injection and mod_proxy
2021-05-11 00:00:00
photon
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Important Photon OS Security Update - PHSA-2021-0305
2021-09-24 00:00:00
Important Photon OS Security Update - PHSA-2021-3.0-0305
2021-09-24 00:00:00
Home Download Photon OS User Documentation FAQ Security Advisories Related Information Lightwave - PHSA-2021-1.0-0435
2021-09-21 00:00:00
alpinelinux
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2021-08-16 08:15:11
hackerone
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Internet Bug Bounty: Request line injection via HTTP/2 in Apache mod_proxy
2021-11-04 13:39:46
fedora
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[SECURITY] Fedora 34 Update: httpd-2.4.50-1.fc34
2021-10-07 17:19:23
[SECURITY] Fedora 35 Update: httpd-2.4.50-1.fc35
2021-10-29 23:19:42
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(RHSA-2022:1915) Moderate: httpd:2.4 security and bug fix update
2022-05-10 08:07:40
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2022-10-26 20:05:14
(RHSA-2022:6753) Moderate: httpd24-httpd security and bug fix update
2022-09-29 13:20:41
rosalinux
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amazon
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oracle
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5 Medium

CVSS2

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

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

0.001 Low

EPSS

Percentile

47.4%

JSON
Related for NVD:CVE-2021-33193
redhatcve1nessus29prion1cbl_mariner2openvas15cve1suse2veracode1osv8cvelist1ubuntucve1debiancve1oraclelinux2ibm5f51httpd1photon5alpinelinux1hackerone1fedora2redhat4rosalinux2rocky1debian1almalinux1altlinux2freebsd1cisco1ubuntu3mageia1slackware1kaspersky1amazon2gentoo1oracle2