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Vulnerability Details :

CVE-2021-20712

Summary
Assigner-jpcert
Assigner Org ID-ede6fdc4-6654-4307-a26d-3331c018e2ce
Published At-26 Apr, 2021 | 00:20
Updated At-03 Aug, 2024 | 17:53
Rejected At-
Credits

Improper access control vulnerability in NEC Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier allows a device connected to the LAN side to be accessed from the WAN side due to the defect in the IPv6 firewall function.

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:jpcert
Assigner Org ID:ede6fdc4-6654-4307-a26d-3331c018e2ce
Published At:26 Apr, 2021 | 00:20
Updated At:03 Aug, 2024 | 17:53
Rejected At:
▼CVE Numbering Authority (CNA)

Improper access control vulnerability in NEC Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier allows a device connected to the LAN side to be accessed from the WAN side due to the defect in the IPv6 firewall function.

Affected Products
Vendor
NEC CorporationNEC Corporation
Product
NEC Aterm devices
Versions
Affected
  • Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier
Problem Types
TypeCWE IDDescription
textN/AImproper Access Control
Type: text
CWE ID: N/A
Description: Improper Access Control
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://jpn.nec.com/security-info/secinfo/nv21-010.html
x_refsource_MISC
https://jvn.jp/en/jp/JVN29739718/index.html
x_refsource_MISC
Hyperlink: https://jpn.nec.com/security-info/secinfo/nv21-010.html
Resource:
x_refsource_MISC
Hyperlink: https://jvn.jp/en/jp/JVN29739718/index.html
Resource:
x_refsource_MISC
▼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://jpn.nec.com/security-info/secinfo/nv21-010.html
x_refsource_MISC
x_transferred
https://jvn.jp/en/jp/JVN29739718/index.html
x_refsource_MISC
x_transferred
Hyperlink: https://jpn.nec.com/security-info/secinfo/nv21-010.html
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://jvn.jp/en/jp/JVN29739718/index.html
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:vultures@jpcert.or.jp
Published At:26 Apr, 2021 | 01:15
Updated At:12 Jul, 2022 | 17:42

Improper access control vulnerability in NEC Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier allows a device connected to the LAN side to be accessed from the WAN side due to the defect in the IPv6 firewall function.

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
Primary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Primary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
Type: Primary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Type: Primary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
CPE Matches
NEC Corporation
nec
>>aterm_wg2600hs_firmware>>Versions up to 1.5.1(inclusive)
cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:*
NEC Corporation
nec
>>aterm_wg2600hs>>-
cpe:2.3:h:nec:aterm_wg2600hs:-:*:*:*:*:*:*:*
NEC Corporation
nec
>>aterm_wx3000hp_firmware>>Versions up to 1.1.2(inclusive)
cpe:2.3:o:nec:aterm_wx3000hp_firmware:*:*:*:*:*:*:*:*
NEC Corporation
nec
>>aterm_wx3000hp>>-
cpe:2.3:h:nec:aterm_wx3000hp:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-OtherPrimarynvd@nist.gov
CWE ID: NVD-CWE-Other
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://jpn.nec.com/security-info/secinfo/nv21-010.htmlvultures@jpcert.or.jp
Mitigation
Vendor Advisory
https://jvn.jp/en/jp/JVN29739718/index.htmlvultures@jpcert.or.jp
Third Party Advisory
Hyperlink: https://jpn.nec.com/security-info/secinfo/nv21-010.html
Source: vultures@jpcert.or.jp
Resource:
Mitigation
Vendor Advisory
Hyperlink: https://jvn.jp/en/jp/JVN29739718/index.html
Source: vultures@jpcert.or.jp
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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