Vulnerability Report

CVE-2021-20709

RCE

Title: NEC Aterm devices Arbitrary OS Command Execution

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2021-20709.

CWE Category CWE-354
Published Date Apr 26, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.2 CVSS v3.1
Exploit Probability (EPSS)
0.26%

Vulnerability Summary

CVE-2021-20709: Improper validation of integrity check value vulnerability in NEC Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and earlier, and Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker with an administrative privilege to execute arbitrary OS commands by sending a specially crafted request to a specific URL.

Impacted Vendors

N
nec 3

Reference Links

https://jpn.nec.com/security-info/secinfo/nv21-010.html https://jvn.jp/en/jp/JVN29739718/index.html https://jpn.nec.com/security-info/secinfo/nv21-010.html https://jvn.jp/en/jp/JVN29739718/index.html
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.2
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
9.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:S/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20709 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.