CVE-2021-36740

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Please try reporting it to the source first.
Source
https://nvd.nist.gov/vuln/detail/CVE-2021-36740
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-36740.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-36740
Aliases
Related
Published
2021-07-14T17:15:08Z
Modified
2024-12-05T15:28:33.628235Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Alpine:v3.11 / varnish

Package

Name
varnish
Purl
pkg:apk/alpine/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.5.2-r0

Affected versions

2.*

2.1.5-r0

3.*

3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1

4.*

4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0

5.*

5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0

6.*

6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1

Alpine:v3.12 / varnish

Package

Name
varnish
Purl
pkg:apk/alpine/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.5.2-r0

Affected versions

2.*

2.1.5-r0

3.*

3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1

4.*

4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0

5.*

5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0

6.*

6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0

Alpine:v3.13 / varnish

Package

Name
varnish
Purl
pkg:apk/alpine/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.5.2-r0

Affected versions

2.*

2.1.5-r0

3.*

3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1

4.*

4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0

5.*

5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0

6.*

6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0

Alpine:v3.14 / varnish

Package

Name
varnish
Purl
pkg:apk/alpine/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*

2.1.5-r0

3.*

3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1

4.*

4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0

5.*

5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0

6.*

6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Alpine:v3.15 / varnish

Package

Name
varnish
Purl
pkg:apk/alpine/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*

2.1.5-r0

3.*

3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1

4.*

4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0

5.*

5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0

6.*

6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Alpine:v3.16 / varnish

Package

Name
varnish
Purl
pkg:apk/alpine/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*

2.1.5-r0

3.*

3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1

4.*

4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0

5.*

5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0

6.*

6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Alpine:v3.17 / varnish

Package

Name
varnish
Purl
pkg:apk/alpine/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*

2.1.5-r0

3.*

3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1

4.*

4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0

5.*

5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0

6.*

6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Alpine:v3.18 / varnish

Package

Name
varnish
Purl
pkg:apk/alpine/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*

2.1.5-r0

3.*

3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1

4.*

4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0

5.*

5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0

6.*

6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Alpine:v3.19 / varnish

Package

Name
varnish
Purl
pkg:apk/alpine/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*

2.1.5-r0

3.*

3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1

4.*

4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0

5.*

5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0

6.*

6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Alpine:v3.20 / varnish

Package

Name
varnish
Purl
pkg:apk/alpine/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*

2.1.5-r0

3.*

3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1

4.*

4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0

5.*

5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0

6.*

6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Alpine:v3.21 / varnish

Package

Name
varnish
Purl
pkg:apk/alpine/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*

2.1.5-r0

3.*

3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1

4.*

4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0

5.*

5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0

6.*

6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Debian:11 / varnish

Package

Name
varnish
Purl
pkg:deb/debian/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.5.1-1+deb11u2

Affected versions

6.*

6.5.1-1
6.5.1-1+deb11u1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / varnish

Package

Name
varnish
Purl
pkg:deb/debian/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.5.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / varnish

Package

Name
varnish
Purl
pkg:deb/debian/varnish?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.5.2-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Git / github.com/varnishcache/varnish-cache

Affected ranges

Type
GIT
Repo
https://github.com/varnishcache/varnish-cache
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
82b0a629f60136e76112c6f2c6372cce77b683be
Fixed
9be22198e258d0e7a5c41f4291792214a29405cf

Affected versions

varnish-3.*

varnish-3.0.0-beta1
varnish-3.0.0-beta2

varnish-4.*

varnish-4.0.0
varnish-4.0.0-beta1
varnish-4.0.0-tp1
varnish-4.0.0-tp2
varnish-4.0.1

varnish-5.*

varnish-5.0.0
varnish-5.1.0
varnish-5.1.1
varnish-5.1.2

varnish-6.*

varnish-6.0.0
varnish-6.0.1
varnish-6.0.2
varnish-6.0.3
varnish-6.0.4
varnish-6.0.5
varnish-6.0.6
varnish-6.0.7
varnish-6.1.0
varnish-6.4.0
varnish-6.5.0
varnish-6.5.1