CVE-2021-20677: nec platforms, ltd. univerge aspire series pbx
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.
Timeline
- 26-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last 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 versionsEPSS 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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Necplatforms4 products
- sl2100_firmware≥ 1.00, ≤ 3.00
- univerge_aspire_ux_firmware≥ 1.00, ≤ 9.70
- univerge_aspire_wx_firmware≥ 1.00, ≤ 3.51
- univerge_sv9100_firmware≥ 1.00, ≤ 10.70
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