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nvd[email protected]NVD:CVE-2021-36740
HistoryJul 14, 2021 - 5:15 p.m.

CVE-2021-36740

2021-07-1417:15:08
CWE-444
[email protected]
web.nvd.nist.gov
7
varnish cache
http/2
request smuggling
vcl authorization bypass
content-length header
post request
security vulnerability

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.007

Percentile

79.9%

JSON

Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8.

Affected configurations

Nvd
Node
varnish-cachevarnish_cacheRange6.0.0–6.0.8plus
OR
varnish-cachevarnish_cacheMatch6.0.8r1plus
OR
varnish-cachevarnish_cacheMatch6.0.8r2plus
OR
varnish-softwarevarnish_cacheRange6.0.0–6.0.5
OR
varnish-softwarevarnish_cacheRange6.0.0–6.0.7lts
OR
varnish_cache_projectvarnish_cacheRange5.0.0–5.2.1
OR
varnish_cache_projectvarnish_cacheRange6.1.0–6.6.0
Node
fedoraprojectfedoraMatch33
OR
fedoraprojectfedoraMatch34
Node
debiandebian_linuxMatch10.0
OR
debiandebian_linuxMatch11.0
VendorProductVersionCPE
varnish-cachevarnish_cache*cpe:2.3:a:varnish-cache:varnish_cache:*:*:*:*:plus:*:*:*
varnish-cachevarnish_cache6.0.8cpe:2.3:a:varnish-cache:varnish_cache:6.0.8:r1:*:*:plus:*:*:*
varnish-cachevarnish_cache6.0.8cpe:2.3:a:varnish-cache:varnish_cache:6.0.8:r2:*:*:plus:*:*:*
varnish-softwarevarnish_cache*cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:*:*:*:*
varnish-softwarevarnish_cache*cpe:2.3:a:varnish-software:varnish_cache:*:*:*:*:lts:*:*:*
varnish_cache_projectvarnish_cache*cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
fedoraprojectfedora34cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debiandebian_linux11.0cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Related

mageia 1
almalinux 1
nessus 9
ubuntucve 1
redhat 2
fedora 4
openvas 7
redhatcve 1
osv 5
rocky 1
archlinux 1
prion 1
oraclelinux 1
alpinelinux 1
debiancve 1
cvelist 1
veracode 1
cve 1
debian 1
suse 1
ubuntu 1
mageia
mageia
Updated varnish packages fix a security vulnerability
2021-07-28 23:00:51
almalinux
almalinux
Important: varnish:6 security update
2021-08-02 14:30:38
nessus
nessus
RHEL 7 : rh-varnish6-varnish (RHSA-2021:2993)
2021-08-09 00:00:00
Oracle Linux 8 : varnish:6 (ELSA-2021-2988)
2021-08-03 00:00:00
Rocky Linux 8 : varnish:6 (RLSA-2021:2988)
2023-11-06 00:00:00
ubuntucve
ubuntucve
CVE-2021-36740
2021-07-14 00:00:00
redhat
redhat
(RHSA-2021:2988) Important: varnish:6 security update
2021-08-02 14:30:38
(RHSA-2021:2993) Important: rh-varnish6-varnish security update
2021-08-03 08:11:12
fedora
fedora
[SECURITY] Fedora 34 Update: varnish-6.5.2-1.fc34
2021-07-25 01:03:42
[SECURITY] Fedora 34 Update: vmod-uuid-1.8-4.fc34
2021-07-25 01:03:43
[SECURITY] Fedora 33 Update: varnish-6.4.0-5.fc33
2021-07-25 01:05:53
openvas
openvas
Fedora: Security Advisory for vmod-uuid (FEDORA-2021-cf7585f0ca)
2021-07-27 00:00:00
Fedora: Security Advisory for varnish (FEDORA-2021-cf7585f0ca)
2021-07-27 00:00:00
Fedora: Security Advisory for varnish (FEDORA-2021-36e10d3f9f)
2021-07-27 00:00:00
redhatcve
redhatcve
CVE-2021-36740
2021-07-14 19:25:13
osv
osv
CVE-2021-36740
2021-07-14 17:15:08
Important: varnish:6 security update
2021-08-02 14:30:38
BIT-varnish-2021-36740
2024-03-06 11:08:33
rocky
rocky
varnish:6 security update
2021-08-02 14:30:38
archlinux
archlinux
[ASA-202107-28] varnish: url request injection
2021-07-14 00:00:00
prion
prion
Authorization
2021-07-14 17:15:00
oraclelinux
oraclelinux
varnish:6 security update
2021-08-03 00:00:00
alpinelinux
alpinelinux
CVE-2021-36740
2021-07-14 17:15:08
debiancve
debiancve
CVE-2021-36740
2021-07-14 17:15:08
cvelist
cvelist
CVE-2021-36740
2021-07-14 16:07:28
veracode
veracode
Authorization Bypass
2021-07-19 00:55:44
cve
cve
CVE-2021-36740
2021-07-14 17:15:08
debian
debian
[SECURITY] [DSA 5088-1] varnish security update
2022-03-03 19:50:31
suse
suse
Security update for varnish (important)
2022-05-27 00:00:00
ubuntu
ubuntu
Varnish Cache vulnerabilities
2022-06-08 00:00:00

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.007

Percentile

79.9%

JSON
Related for NVD:CVE-2021-36740
mageia1almalinux1nessus9ubuntucve1redhat2fedora4openvas7redhatcve1osv5rocky1archlinux1prion1oraclelinux1alpinelinux1debiancve1cvelist1veracode1cve1debian1suse1ubuntu1