CVE-2021-20677

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.

3.1

CVSS

Severity: Low

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.30%

Vendor Advisory co.jp

Affected: NEC Platforms, Ltd. UNIVERGE Aspire series PBX

References

Link	Tags
https://www.necplatforms.co.jp/en/press/security_adv.html	vendor advisory
https://jvn.jp/en/jp/JVN12737530/index.html	third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20677?: CVE-2021-20677 has been scored as a low severity vulnerability.
How to fix CVE-2021-20677?: To fix CVE-2021-20677, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20677 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-20677 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20677?: CVE-2021-20677 affects NEC Platforms, Ltd. UNIVERGE Aspire series PBX.

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