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Vulnerability Details :

CVE-2021-26109

Summary
Assigner-fortinet
Assigner Org ID-6abe59d8-c742-4dff-8ce8-9b0ca1073da8
Published At-08 Dec, 2021 | 12:22
Updated At-25 Oct, 2024 | 13:40
Rejected At-
Credits

An integer overflow or wraparound vulnerability in the memory allocator of SSLVPN in FortiOS before 7.0.1 may allow an unauthenticated attacker to corrupt control data on the heap via specifically crafted requests to SSLVPN, resulting in potentially arbitrary code execution.

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:fortinet
Assigner Org ID:6abe59d8-c742-4dff-8ce8-9b0ca1073da8
Published At:08 Dec, 2021 | 12:22
Updated At:25 Oct, 2024 | 13:40
Rejected At:
▼CVE Numbering Authority (CNA)

An integer overflow or wraparound vulnerability in the memory allocator of SSLVPN in FortiOS before 7.0.1 may allow an unauthenticated attacker to corrupt control data on the heap via specifically crafted requests to SSLVPN, resulting in potentially arbitrary code execution.

Affected Products
Vendor
Fortinet, Inc.Fortinet
Product
Fortinet FortiOS
Versions
Affected
  • FortiOS before 7.0.1
Problem Types
TypeCWE IDDescription
textN/AExecute unauthorized code or commands
Type: text
CWE ID: N/A
Description: Execute unauthorized code or commands
Metrics
VersionBase scoreBase severityVector
3.18.1HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://fortiguard.com/advisory/FG-IR-21-049
x_refsource_CONFIRM
Hyperlink: https://fortiguard.com/advisory/FG-IR-21-049
Resource:
x_refsource_CONFIRM
▼Authorized Data Publishers (ADP)
1. 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://fortiguard.com/advisory/FG-IR-21-049
x_refsource_CONFIRM
x_transferred
Hyperlink: https://fortiguard.com/advisory/FG-IR-21-049
Resource:
x_refsource_CONFIRM
x_transferred
2. CISA ADP Vulnrichment
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
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:psirt@fortinet.com
Published At:08 Dec, 2021 | 13:15
Updated At:09 Dec, 2021 | 20:52

An integer overflow or wraparound vulnerability in the memory allocator of SSLVPN in FortiOS before 7.0.1 may allow an unauthenticated attacker to corrupt control data on the heap via specifically crafted requests to SSLVPN, resulting in potentially arbitrary code execution.

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
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Secondary3.18.1HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary2.07.5HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 7.5
Base severity: HIGH
Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CPE Matches

Fortinet, Inc.
fortinet
>>fortios>>Versions from 6.0.0(inclusive) to 6.0.12(inclusive)
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Fortinet, Inc.
fortinet
>>fortios>>Versions from 6.2.0(inclusive) to 6.2.9(inclusive)
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Fortinet, Inc.
fortinet
>>fortios>>Versions from 6.4.0(inclusive) to 6.4.5(inclusive)
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
Fortinet, Inc.
fortinet
>>fortios>>7.0.0
cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-190Primarynvd@nist.gov
CWE ID: CWE-190
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://fortiguard.com/advisory/FG-IR-21-049psirt@fortinet.com
Patch
Vendor Advisory
Hyperlink: https://fortiguard.com/advisory/FG-IR-21-049
Source: psirt@fortinet.com
Resource:
Patch
Vendor Advisory

Change History

0
Information is not available yet

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