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01 Record

CVE-2019-18863

A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.51% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 43.4% of scored records. A rank, not a probability.
NVD base score
5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-03-02 17:52Z6 YR AGO
Last updated
2024-08-05 02:02Z2 YR AGO
Reserved
2019-11-11
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-326Inadequate Encryption StrengthClass
Data version
5.1
Document digest
1ee83500b1875c34815cdee2536a254ddf29f6f248ddc1e13c04b46ff0f4fa4c

05 Affected products

VendorProductVersionsPlatforms
mitel6863iNot specified—
mitel6863i_firmwareNot specified—
mitel6865iNot specified—
mitel6865i_firmwareNot specified—
mitel6867iNot specified—
mitel6867i_firmwareNot specified—
mitel6869iNot specified—
mitel6869i_firmwareNot specified—
mitel6873iNot specified—
mitel6873i_firmwareNot specified—
mitel6920Not specified—
mitel6920_firmwareNot specified—
mitel6930Not specified—
mitel6930_firmwareNot specified—
mitel6940Not specified—
mitel6940_firmwareNot specified—

06 References