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CVE-2021-20677 Details
Description
UNIVERGE Aspire series PBX (UNIVERGE Aspire WX from 1.00 to 3.51, UNIVERGE Aspire UX from 1.00 to 9.70, UNIVERGE SV9100 from 1.00 to 10.70, and SL2100 from 1.00 to 3.00) allows a remote authenticated attacker to cause system down and a denial of service (DoS) condition by sending a specially crafted command.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://jvn.jp/en/jp/JVN12737530/index.html | CVE | Third Party Advisory |
| https://www.necplatforms.co.jp/en/press/security_adv.html | CVE | Vendor Advisory |
| https://jvn.jp/en/jp/JVN12737530/index.html | [email protected] | Third Party Advisory |
| https://www.necplatforms.co.jp/en/press/security_adv.html | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| necplatforms univerge aspire wx firmware | >= 1.00, <= 3.51 |
CPE
Remediation
| |
| necplatforms univerge aspire wx | All versions |
CPE
Remediation
| |
| necplatforms univerge aspire ux firmware | >= 1.00, <= 9.70 |
CPE
Remediation
| |
| necplatforms univerge aspire ux | All versions |
CPE
Remediation
| |
| necplatforms univerge sv9100 firmware | >= 1.00, <= 10.70 |
CPE
Remediation
| |
| necplatforms univerge sv9100 | All versions |
CPE
Remediation
| |
| necplatforms sl2100 firmware | >= 1.00, <= 3.00 |
CPE
Remediation
| |
| necplatforms sl2100 | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Apr 2, 2021 | Initial Analysis | [email protected] |