3.5

CVE-2021-20677: nec platforms, ltd. univerge aspire series pbx

CVSS: 3.5v2.0LowModified
Published 26-03-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-20677 is a low (CVSS 3.5) vulnerability in nec platforms, ltd. univerge aspire series pbx. EPSS estimates a 0.95% chance of exploitation in the next 30 days, higher than 60.6% of scored vulnerabilities.

Overall risk
14/100
0100
Low · default modelHow is this calculated?
CVSS score
3.5/10
010
Low · v2.0 (NVD)
EPSS score
0.95%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-03-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.95%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

+0.03 pp

From 0.92% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.95%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Necplatforms4 products
Nec platforms, ltd.1 product
  • univerge aspire series pbxUNIVERGE 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

2 vendors · 5 products

References

2 links