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CVE-2021-20708

Published: Apr 26, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-78
7.2HIGH
NVD MITRE
EPSS Score
1.2%
Top 34.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only
Self-Check
Not available

Description

NEC Aterm devices (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) allow authenticated attackers to execute arbitrary OS commands by sending a specially crafted request to a specific URL.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-78

Affected Products

NEC Corporation
commercial·JPaka nec, nec expresscluster, nec aterm
NEC Aterm devicesNetwork Device
Networking Infrastructure / router-switch
aterm wf1200cr firmwareEmbeddedFirmware
Hardware Firmware
aterm wg1200cr firmwareEmbeddedFirmware
Networking Infrastructure
aterm wg2600hs firmwareEmbeddedFirmware
Networking Infrastructure

Exploitability

Workaround Available
Is your org exposed to CVE-2021-20708?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://jpn.nec.com/security-info/secinfo/nv21-010.html
jpn.nec.com
https://jvn.jp/en/jp/JVN29739718/index.html
jvn.jp

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