CVE-2016-1866
Salt Improper Access Control
Salt 2015.8.x before 2015.8.4 does not properly handle clear messages on the minion, which allows man-in-the-middle attackers to execute arbitrary code by inserting packets into the minion-master data stream.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Salt 2015.8.x before 2015.8.4 does not properly handle clear messages on the minion, which allows man-in-the-middle attackers to execute arbitrary code by inserting packets into the minion-master data stream.
- Record
CVE-2016-1866- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-284
- Updated
- 2026-11-02
CVE List No score
Salt 2015.8.x before 2015.8.4 does not properly handle clear messages on the minion, which allows man-in-the-middle attackers to execute arbitrary code by inserting packets into the minion-master data stream.
- Record
CVE-2016-1866- Updated
- 2026-11-02
EUVDEUVD-2016-0033 No score
Salt 2015.8.x before 2015.8.4 does not properly handle clear messages on the minion, which allows man-in-the-middle attackers to execute arbitrary code by inserting packets into the minion-master data stream.
- Record
EUVD-2016-0033- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vqh4-crjf-jjxx
Salt Improper Access Control
Salt 2015.8.x before 2015.8.4 does not properly handle clear messages on the minion, which allows man-in-the-middle attackers to execute arbitrary code by inserting packets into the minion-master data stream.
- Record
GHSA-vqh4-crjf-jjxx- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
OSV
Salt 2015.8.x before 2015.8.4 does not properly handle clear messages on the minion, which allows man-in-the-middle attackers to execute arbitrary code by inserting packets into the minion-master data stream.
- Record
CVE-2016-1866- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-vqh4-crjf-jjxx
Salt Improper Access Control
Salt 2015.8.x before 2015.8.4 does not properly handle clear messages on the minion, which allows man-in-the-middle attackers to execute arbitrary code by inserting packets into the minion-master data stream.
- Record
GHSA-vqh4-crjf-jjxx- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-1866
Salt 2015.8.x before 2015.8.4 does not properly handle clear messages on the minion, which allows man-in-the-middle attackers to execute arbitrary code by inserting packets into the minion-master data stream.
- Record
UBUNTU-CVE-2016-1866- CVSS 3.0
- 8.1 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10291-1 No score
salt-2016.3.4-1.1 on GA media
These are all security issues fixed in the salt-2016.3.4-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10291-1- Updated
- 2026-11-02
OSVPYSEC-2016-23 No score
Salt 2015.8.x before 2015.8.4 does not properly handle clear messages on the minion, which allows man-in-the-middle attackers to execute arbitrary code by inserting packets into the minion-master data stream.
- Record
PYSEC-2016-23- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
saltPyPI |
2015.8.0rc1 up to 2015.8.4 | 2015.8.4 |
saltPyPI |
2015.8.0rc1 up to 2015.8.4, plus listed versions 2015.8.02015.8.0rc22015.8.0rc32015.8.0rc42015.8.0rc52015.8.12015.8.22015.8.3 |
2015.8.4 |
saltPyPI |
2015.8 up to 2015.8.4, plus listed versions 2015.8.02015.8.12015.8.22015.8.3 |
2015.8.4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-1866 is a high vulnerability (CVSS 8.1) in Saltstack Salt, published April 12, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.52%, the 74th percentile. Fixed in salt 2015.8.4.