CVE-2019-11859
ALEOS SMS Handler Buffer Overflow
A buffer overflow exists in the SMS handler API of ALEOS before 4.13.0, 4.9.5, 4.9.4 that may allow code execution as root.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
ALEOS SMS Handler Buffer Overflow
A buffer overflow exists in the SMS handler API of ALEOS before 4.13.0, 4.9.5, 4.9.4 that may allow code execution as root.
- Record
CVE-2019-11859- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L - Updated
- 2026-11-02
EUVDEUVD-2019-3519
A buffer overflow exists in the SMS handler API of ALEOS before 4.13.0, 4.9.5, 4.9.4 that may allow code execution as root.
- Record
EUVD-2019-3519- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r48r-x3p8-j5ww No score
A buffer overflow exists in the SMS handler API of ALEOS before 4.13.0, 4.9.5, 4.9.4 that may...
A buffer overflow exists in the SMS handler API of ALEOS before 4.13.0, 4.9.5, 4.9.4 that may allow code execution as root.
- Record
GHSA-r48r-x3p8-j5ww- Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
A buffer overflow exists in the SMS handler API of ALEOS before 4.13.0, 4.9.5, 4.9.4 that may allow code execution as root.
- Record
CVE-2019-11859- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-11859 is a medium vulnerability (CVSS 6.0) in Sierrawireless Aleos, published August 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.98%, the 80th percentile. No source names a fixed version.