CVE-2020-13617

HIGHNVD 7.57.5—

7.5

The Web UI component of Mitel MiVoice 6800 and 6900 series SIP Phones with firmware before 5.1.0.SP5 could allow an unauthenticated attacker to expose sensitive information due to improper memory handling during failed login attempts.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 48.5%
KEV: Not listed

Published

August 26, 2020

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://www.mitel.com/support/security-advisories
cve@mitrehttps://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0007
af854a3a-2127-422b-91ae-364da2661108https://www.mitel.com/support/security-advisories
af854a3a-2127-422b-91ae-364da2661108https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-20-0007

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-307Improper Restriction of Excessive Authentication Attempts

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-26 23:50 UTCEG score recompute
2026-05-26 23:50 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2020-13617?

CVE-2020-13617 is a high vulnerability published on August 26, 2020. The Web UI component of Mitel MiVoice 6800 and 6900 series SIP Phones with firmware before 5.1.0.SP5 could allow an unauthenticated attacker to expose sensitive information due to improper memory handling during failed login attempts.

When was CVE-2020-13617 disclosed?

CVE-2020-13617 was first published in the National Vulnerability Database on August 26, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-13617 actively exploited?

CVE-2020-13617 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 48.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-13617?

CVE-2020-13617 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2020-13617?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-13617, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-13617

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CVE-2020-13617

📅 Published

🔄 Last Modified

🔗 References (4)