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.
Published 2021-03-26 09:15:12
Updated 2021-04-02 12:27:35
Source JPCERT/CC
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2021-20677

Exploit prediction scoring system (EPSS) score for CVE-2021-20677

0.11%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-20677

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
LOW AV:N/AC:M/Au:S/C:N/I:N/A:P
6.8
2.9
NIST
3.1
LOW CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
1.6
1.4
NIST

References for CVE-2021-20677

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