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CVE-2016-9639

Salt allows deleted minions to read or write to minions with the same id

9.1 CriticalFix available

Salt before 2015.8.11 allows deleted minions to read or write to minions with the same id, related to caching.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

2.60%Up 1.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.1

Salt before 2015.8.11 allows deleted minions to read or write to minions with the same id, related to caching.

Record
CVE-2016-9639
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-284
Updated
2026-11-02
CVE List No score

Salt before 2015.8.11 allows deleted minions to read or write to minions with the same id, related to caching.

Record
CVE-2016-9639
Updated
2026-11-02
EUVDEUVD-2017-0118 No score

Salt before 2015.8.11 allows deleted minions to read or write to minions with the same id, related to caching.

Record
EUVD-2017-0118
Updated
2026-11-03
GitHub AdvisoriesGHSA-hvmj-356c-gpf4 9.1

Salt allows deleted minions to read or write to minions with the same id

Salt before 2015.8.11 allows deleted minions to read or write to minions with the same id, related to caching.

Record
GHSA-hvmj-356c-gpf4
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-284
Updated
2026-11-02
OSV 9.1

Salt before 2015.8.11 allows deleted minions to read or write to minions with the same id, related to caching.

Record
CVE-2016-9639
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVGHSA-hvmj-356c-gpf4 9.1

Salt allows deleted minions to read or write to minions with the same id

Salt before 2015.8.11 allows deleted minions to read or write to minions with the same id, related to caching.

Record
GHSA-hvmj-356c-gpf4
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness
CWE-284
Updated
2026-11-02
Show 6 moreShow less
OSVUBUNTU-CVE-2016-9639 9.1

Salt before 2015.8.11 allows deleted minions to read or write to minions with the same id, related to caching.

Record
UBUNTU-CVE-2016-9639
CVSS 3.0
9.1 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVopenSUSE-SU-2024:11364-1 No score

python3-salt-3002.2-6.1 on GA media

These are all security issues fixed in the python3-salt-3002.2-6.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11364-1
Updated
2026-11-02
OSVPYSEC-2017-34 No score

Salt before 2015.8.11 allows deleted minions to read or write to minions with the same id, related to caching.

Record
PYSEC-2017-34
Updated
2026-11-02
OSVSUSE-RU-2017:0169-1 No score

Recommended update for Salt

This update for Salt fixes one security issue and several non-security issues.

The following security issue has been fixed:

  • Fix possible information leak due to revoked keys still being used. (bsc#1012398, CVE-2016-9639)

The following non-security issues have been fixed:

  • Update to 2015.8.12
  • Add pre-require to salt for minions.
  • Do not restart salt-minion in salt package.
  • Add try-restart to sys-v init scripts.
  • Add 'Restart=on-failure' for salt-minion systemd service.
  • Various fixes for signal handling.
  • Successfully exit of salt-api child processes when SIGTERM is received.
  • Re-introduce 'KillMode=process' for salt-minion systemd service.
  • Fix changing default-timezone. (bsc#1008933)
Record
SUSE-RU-2017:0169-1
Updated
2026-11-02
OSVSUSE-RU-2017:0171-1 No score

Recommended update for salt

This update for Salt fixes one security issue and several non-security issues.

The following security issue has been fixed:

  • Fix possible information leak due to revoked keys still being used. (bsc#1012398, CVE-2016-9639)

The following non-security issues have been fixed:

  • Update to 2015.8.12
  • Add pre-require to salt for minions.
  • Do not restart salt-minion in salt package.
  • Add try-restart to sys-v init scripts.
  • Add 'Restart=on-failure' for salt-minion systemd service.
  • Re-introduce 'KillMode=process' for salt-minion systemd service.
  • Successfully exit of salt-api child processes when SIGTERM is received.
  • Fix exit codes of sysv init script. (bsc#999852)
  • Include resolution parameters in the Zypper debug-solver call during a dry-run dist-upgrade.
  • Fix Salt API crash via salt-ssh on empty roster. (bsc#1004723)
  • Add 'dist-upgrade' support to zypper module. (fate#320559)
  • Fix position of -X option to setfacl. (bsc#1004260)
  • Fix generated shebang in scripts on SLES-ES 7. (bsc#1004047)
  • Fix changing default-timezone. (bsc#1008933)
Record
SUSE-RU-2017:0171-1
Updated
2026-11-02
OSVSUSE-RU-2017:0174-1 No score

Recommended update for SUSE Manager Client Tools

This update fixes the following issues:

osad:

  • Fix logfile option for osa-dispatcher. (bsc#980752)

salt:

  • Update to 2015.8.12
  • Add pre-require to salt for minions.
  • Do not restart salt-minion in salt package.
  • Add try-restart to sys-v init scripts.
  • Add 'Restart=on-failure' for salt-minion systemd service.
  • Various fixes for signal handling.
  • Successfully exit of salt-api child processes when SIGTERM is received.
  • Re-introduce 'KillMode=process' for salt-minion systemd service.
  • Fix setting default timezone. (bsc#1008933)
  • Fix possible information leak due to revoked keys still being used. (bsc#1012398, CVE-2016-9639)

spacewalk-backend:

  • Handle non-unique machine_id after migrate from 2.1. (bsc#1013002)
  • Refer to scc.suse.com instead of bugzilla.novell.com in case of problem. (bsc#967818)
  • Fix selection of primary interface. (bsc#1009677)
  • Add link from satellite-sync to mgr-inter-sync man page. (bsc#1009435)
  • Reposync: Assign orphaned vendor packages to the default org. (bsc#995764)
  • Add missing reference for bsc#996609

supportutils-plugin-susemanager-client:

  • Include correct configuration file in the supportconfig.
Record
SUSE-RU-2017:0174-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
salt
PyPI
before 2015.8.11
2015.8.11
salt
PyPI
before 2015.8.11, plus listed versions
0.10.00.10.10.10.20.10.30.10.4
Show 45 moreShow less
0.10.50.11.00.11.10.12.00.12.10.13.00.13.10.13.20.13.30.14.00.14.10.15.00.15.10.15.20.15.30.15.900.16.00.16.10.16.20.16.30.16.40.17.00.17.0rc10.17.10.17.20.17.30.17.40.17.50.8.70.8.90.9.00.9.10.9.20.9.30.9.40.9.50.9.60.9.70.9.80.9.90.9.9.12014.1.02014.1.0rc12014.1.0rc22014.1.0rc3
2015.8.11
salt
SUSE:Manager Client Tools 12
before 2015.8.12-27.5
2015.8.12-27.5
salt
SUSE:Linux Enterprise Point of Sale 12 SP2
before 2015.8.12-27.5
2015.8.12-27.5
salt
SUSE:Manager Proxy 3.0
before 2015.8.12-27.5
2015.8.12-27.5
salt
SUSE:Manager Server 3.0
before 2015.8.12-27.5
2015.8.12-27.5
salt
SUSE:Enterprise Storage 3
before 2015.8.12-27.5
2015.8.12-27.5
salt
SUSE:Enterprise Storage 4
before 2015.8.12-27.5
2015.8.12-27.5
osad
SUSE:Linux Enterprise Server 11 SP3-CLIENT-TOOLS
before 5.11.64.3-5.1
5.11.64.3-5.1
salt
SUSE:Linux Enterprise Server 11 SP3-CLIENT-TOOLS
before 2015.8.12-27.1
2015.8.12-27.1
Show 8 moreShow less
Affected packages
PackageAffectedFixed
spacewalk-backend
SUSE:Linux Enterprise Server 11 SP3-CLIENT-TOOLS
before 2.5.24.7-16.1
2.5.24.7-16.1
supportutils-plugin-susemanager-client
SUSE:Linux Enterprise Server 11 SP3-CLIENT-TOOLS
before 3.0.5-5.1
3.0.5-5.1
osad
SUSE:Linux Enterprise Server 11 SP4-CLIENT-TOOLS
before 5.11.64.3-5.1
5.11.64.3-5.1
salt
SUSE:Linux Enterprise Server 11 SP4-CLIENT-TOOLS
before 2015.8.12-27.1
2015.8.12-27.1
spacewalk-backend
SUSE:Linux Enterprise Server 11 SP4-CLIENT-TOOLS
before 2.5.24.7-16.1
2.5.24.7-16.1
supportutils-plugin-susemanager-client
SUSE:Linux Enterprise Server 11 SP4-CLIENT-TOOLS
before 3.0.5-5.1
3.0.5-5.1
salt
Ubuntu:Pro:14.04:LTS
All versions, plus listed versions
0.16.0-10.16.4-20.17.1+dfsg-10.17.2-10.17.2-2
Show 9 moreShow less
0.17.2-30.17.4-10.17.4-20.17.5-10.17.5+ds-10.17.5+ds-1ubuntu0.1~esm10.17.5+ds-1ubuntu0.1~esm20.17.5+ds-1ubuntu0.1~esm40.17.5+ds-1ubuntu0.1~esm5
None known
salt
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
2015.5.3+ds-12015.8.1+ds-22015.8.3+ds-12015.8.3+ds-22015.8.3+ds-3
Show 7 moreShow less
2015.8.5+ds-12015.8.7+ds-12015.8.8+ds-12015.8.8+ds-1ubuntu0.1~esm12015.8.8+ds-1ubuntu0.12015.8.8+ds-1ubuntu0.1+esm12015.8.8+ds-1ubuntu0.1+esm2
None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-9639 is a critical vulnerability (CVSS 9.1) in Saltstack Salt, published January 17, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.60%, the 85th percentile. Fixed in salt 2015.8.11.

References

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Left out here: 58 versions. The JSON record has them.

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