Information disclosure in Sierra Wireless
Priority MEDIUM 56CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
An exploitable Information Disclosure vulnerability exists in the ACEManager EmbeddedAceGet_Task.cgi functionality of Sierra Wireless AirLink ES450 FW 4.9.3. This binary does not have any restricted configuration settings, so once the MSCIID is discovered, any authenticated user can send configuration changes using the /cgi-bin/Embedded_Ace_Get_Task.cgi endpoint.
Why it matters now
EPSS 0.1797 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 |
|---|---|---|---|---|---|
| — | Sierra Wireless | Sierra Wireless AirLink ES450 FW 4.9.3 | — | No fix listed | CNA |
- Sierra Wireless Vendor— Affected Sierra Wireless AirLink ES450 FW 4.9.3 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sierrawireless:airlink_es450_firmware:4.9.3:*:*:*:*:*:*:* | 4.9.3 | Vulnerable | SierraWireless |
| cpe:2.3:h:sierrawireless:airlink_es450:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SierraWireless |
- cpe:2.3:o:sierrawireless:airlink_es450_firmware:4.9.3:*:*:*:*:*:*:* Versions 4.9.3 Vulnerable ·SierraWireless
- cpe:2.3:h:sierrawireless:airlink_es450:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SierraWireless
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-4070
- 2026-10-03 Alias added: GHSA-gjg4-7jjq-6gg3
References
More SierraWireless Airlink Es450 Firmware vulnerabilities
- TI-2018-03039 Incorrect permission assignment in Sierra Wireless CVSS 3.0HIGH 8.8
- TI-2018-03038 Incorrect permission assignment in Sierra Wireless CVSS 3.0HIGH 8.8
- TI-2018-03037 Information disclosure in Sierra Wireless CVSS 3.0HIGH 8.8
- TI-2018-03027 OS command injection in Sierra Wireless CVSS 3.0HIGH 8.8
- TI-2018-03030 Improper authentication in Sierra Wireless CVSS 3.1HIGH 7.1
- TI-2018-03028 Hard-coded credentials in Sierra Wireless CVSS 3.0HIGH 8.1
Sources
- CVE-2018-4070 · CVE Program
- CVE-2018-4070 · NVD
- FIRST EPSS
- GHSA-gjg4-7jjq-6gg3 · 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