A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800…
Priority LOW 27CWE-326Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-326.
Summary
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 man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercept sensitive information.
Why it matters now
EPSS 0.00513 43rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 32
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mitel:6863i_firmware:*:*:*:*:*:*:*:* | before 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6863i_firmware:5.1.0.2051:-:*:*:*:*:*:* | 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6863i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* | 5.1.0.2051 sp2_hf2 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6863i:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6865i_firmware:*:*:*:*:*:*:*:* | before 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6865i_firmware:5.1.0.2051:-:*:*:*:*:*:* | 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6865i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* | 5.1.0.2051 sp2_hf2 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6865i:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6867i_firmware:*:*:*:*:*:*:*:* | before 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6867i_firmware:5.1.0.2051:-:*:*:*:*:*:* | 5.1.0.2051 | Vulnerable | Mitel |
- cpe:2.3:o:mitel:6863i_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6863i_firmware:5.1.0.2051:-:*:*:*:*:*:* Versions 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6863i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* Versions 5.1.0.2051 sp2_hf2 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6863i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6865i_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6865i_firmware:5.1.0.2051:-:*:*:*:*:*:* Versions 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6865i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* Versions 5.1.0.2051 sp2_hf2 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6865i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6867i_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6867i_firmware:5.1.0.2051:-:*:*:*:*:*:* Versions 5.1.0.2051 Vulnerable ·Mitel
Show 22 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mitel:6867i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* | 5.1.0.2051 sp2_hf2 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6867i:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6869i_firmware:*:*:*:*:*:*:*:* | before 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6869i_firmware:5.1.0.2051:-:*:*:*:*:*:* | 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6869i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* | 5.1.0.2051 sp2_hf2 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6869i:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6873i_firmware:*:*:*:*:*:*:*:* | before 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6873i_firmware:5.1.0.2051:-:*:*:*:*:*:* | 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6873i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* | 5.1.0.2051 sp2_hf2 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6873i:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6920_firmware:*:*:*:*:*:*:*:* | before 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6920_firmware:5.1.0.2051:-:*:*:*:*:*:* | 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6920_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* | 5.1.0.2051 sp2_hf2 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6920:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6930_firmware:*:*:*:*:*:*:*:* | before 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6930_firmware:5.1.0.2051:-:*:*:*:*:*:* | 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6930_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* | 5.1.0.2051 sp2_hf2 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6930:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
| cpe:2.3:o:mitel:6940_firmware:*:*:*:*:*:*:*:* | before 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6940_firmware:5.1.0.2051:-:*:*:*:*:*:* | 5.1.0.2051 | Vulnerable | Mitel |
| cpe:2.3:o:mitel:6940_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* | 5.1.0.2051 sp2_hf2 | Vulnerable | Mitel |
| cpe:2.3:h:mitel:6940:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Mitel |
- cpe:2.3:o:mitel:6867i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* Versions 5.1.0.2051 sp2_hf2 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6867i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6869i_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6869i_firmware:5.1.0.2051:-:*:*:*:*:*:* Versions 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6869i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* Versions 5.1.0.2051 sp2_hf2 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6869i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6873i_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6873i_firmware:5.1.0.2051:-:*:*:*:*:*:* Versions 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6873i_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* Versions 5.1.0.2051 sp2_hf2 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6873i:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6920_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6920_firmware:5.1.0.2051:-:*:*:*:*:*:* Versions 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6920_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* Versions 5.1.0.2051 sp2_hf2 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6920:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6930_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6930_firmware:5.1.0.2051:-:*:*:*:*:*:* Versions 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6930_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* Versions 5.1.0.2051 sp2_hf2 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6930:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
- cpe:2.3:o:mitel:6940_firmware:*:*:*:*:*:*:*:* Versions before 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6940_firmware:5.1.0.2051:-:*:*:*:*:*:* Versions 5.1.0.2051 Vulnerable ·Mitel
- cpe:2.3:o:mitel:6940_firmware:5.1.0.2051:sp2_hf2:*:*:*:*:*:* Versions 5.1.0.2051 sp2_hf2 Vulnerable ·Mitel
- cpe:2.3:h:mitel:6940:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mitel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-18863
- 2026-10-03 Alias added: GHSA-68jq-f8j4-qrjp
References
Sources
- CVE-2019-18863 · CVE Program
- CVE-2019-18863 · NVD
- FIRST EPSS
- GHSA-68jq-f8j4-qrjp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences