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Vulnerability Details :

CVE-2021-39206

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-09 Sep, 2021 | 22:10
Updated At-04 Aug, 2024 | 01:58
Rejected At-
Credits

Incorrect Authorization with specially crafted requests

Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, contains two authorization related vulnerabilities CVE-2021-32777 and CVE-2021-32779. This may lead to incorrect routing or authorization policy decisions. With specially crafted requests, incorrect authorization or routing decisions may be made by Pomerium. Pomerium v0.14.8 and v0.15.1 contain an upgraded envoy binary with these vulnerabilities patched. This issue can only be triggered when using path prefix based policy. Removing any such policies should provide mitigation.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:09 Sep, 2021 | 22:10
Updated At:04 Aug, 2024 | 01:58
Rejected At:
▼CVE Numbering Authority (CNA)
Incorrect Authorization with specially crafted requests

Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, contains two authorization related vulnerabilities CVE-2021-32777 and CVE-2021-32779. This may lead to incorrect routing or authorization policy decisions. With specially crafted requests, incorrect authorization or routing decisions may be made by Pomerium. Pomerium v0.14.8 and v0.15.1 contain an upgraded envoy binary with these vulnerabilities patched. This issue can only be triggered when using path prefix based policy. Removing any such policies should provide mitigation.

Affected Products
Vendor
pomerium
Product
pomerium
Versions
Affected
  • >= 0.11.0, < 0.14.8
  • >= 0.15.0, < 0.15.1
Problem Types
TypeCWE IDDescription
CWECWE-863CWE-863: Incorrect Authorization
Type: CWE
CWE ID: CWE-863
Description: CWE-863: Incorrect Authorization
Metrics
VersionBase scoreBase severityVector
3.18.6HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Version: 3.1
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/envoyproxy/envoy/security/advisories/GHSA-r222-74fw-jqr9
x_refsource_MISC
https://github.com/envoyproxy/envoy/security/advisories/GHSA-6g4j-5vrw-2m8h
x_refsource_MISC
https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ
x_refsource_MISC
https://github.com/pomerium/pomerium/security/advisories/GHSA-cfc2-wjcm-c8fm
x_refsource_CONFIRM
Hyperlink: https://github.com/envoyproxy/envoy/security/advisories/GHSA-r222-74fw-jqr9
Resource:
x_refsource_MISC
Hyperlink: https://github.com/envoyproxy/envoy/security/advisories/GHSA-6g4j-5vrw-2m8h
Resource:
x_refsource_MISC
Hyperlink: https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ
Resource:
x_refsource_MISC
Hyperlink: https://github.com/pomerium/pomerium/security/advisories/GHSA-cfc2-wjcm-c8fm
Resource:
x_refsource_CONFIRM
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/envoyproxy/envoy/security/advisories/GHSA-r222-74fw-jqr9
x_refsource_MISC
x_transferred
https://github.com/envoyproxy/envoy/security/advisories/GHSA-6g4j-5vrw-2m8h
x_refsource_MISC
x_transferred
https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ
x_refsource_MISC
x_transferred
https://github.com/pomerium/pomerium/security/advisories/GHSA-cfc2-wjcm-c8fm
x_refsource_CONFIRM
x_transferred
Hyperlink: https://github.com/envoyproxy/envoy/security/advisories/GHSA-r222-74fw-jqr9
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/envoyproxy/envoy/security/advisories/GHSA-6g4j-5vrw-2m8h
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/pomerium/pomerium/security/advisories/GHSA-cfc2-wjcm-c8fm
Resource:
x_refsource_CONFIRM
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:09 Sep, 2021 | 23:15
Updated At:27 Sep, 2021 | 18:30

Pomerium is an open source identity-aware access proxy. Envoy, which Pomerium is based on, contains two authorization related vulnerabilities CVE-2021-32777 and CVE-2021-32779. This may lead to incorrect routing or authorization policy decisions. With specially crafted requests, incorrect authorization or routing decisions may be made by Pomerium. Pomerium v0.14.8 and v0.15.1 contain an upgraded envoy binary with these vulnerabilities patched. This issue can only be triggered when using path prefix based policy. Removing any such policies should provide mitigation.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.18.6HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Secondary3.18.6HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Primary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N
Type: Primary
Version: 3.1
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Type: Secondary
Version: 3.1
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Type: Primary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N
CPE Matches

envoyproxy
envoyproxy
>>envoy>>Versions before 1.16.5(exclusive)
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
envoyproxy
envoyproxy
>>envoy>>Versions from 1.17.0(inclusive) to 1.17.4(exclusive)
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
envoyproxy
envoyproxy
>>envoy>>Versions from 1.18.0(inclusive) to 1.18.4(exclusive)
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*
envoyproxy
envoyproxy
>>envoy>>1.19.0
cpe:2.3:a:envoyproxy:envoy:1.19.0:*:*:*:*:*:*:*
pomerium
pomerium
>>pomerium>>Versions from 0.11.0(inclusive) to 0.14.8(exclusive)
cpe:2.3:a:pomerium:pomerium:*:*:*:*:*:*:*:*
pomerium
pomerium
>>pomerium>>0.15.0
cpe:2.3:a:pomerium:pomerium:0.15.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-863Primarysecurity-advisories@github.com
CWE ID: CWE-863
Type: Primary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/envoyproxy/envoy/security/advisories/GHSA-6g4j-5vrw-2m8hsecurity-advisories@github.com
Third Party Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-r222-74fw-jqr9security-advisories@github.com
Third Party Advisory
https://github.com/pomerium/pomerium/security/advisories/GHSA-cfc2-wjcm-c8fmsecurity-advisories@github.com
Third Party Advisory
https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJsecurity-advisories@github.com
Not Applicable
Hyperlink: https://github.com/envoyproxy/envoy/security/advisories/GHSA-6g4j-5vrw-2m8h
Source: security-advisories@github.com
Resource:
Third Party Advisory
Hyperlink: https://github.com/envoyproxy/envoy/security/advisories/GHSA-r222-74fw-jqr9
Source: security-advisories@github.com
Resource:
Third Party Advisory
Hyperlink: https://github.com/pomerium/pomerium/security/advisories/GHSA-cfc2-wjcm-c8fm
Source: security-advisories@github.com
Resource:
Third Party Advisory
Hyperlink: https://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJ
Source: security-advisories@github.com
Resource:
Not Applicable

Change History

0
Information is not available yet

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