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Vulnerability record · CVE-2016-6902 · published 24 April 2017

CVE-2016-6902: Lshell project lshell permissions and access controls vulnerability

Lshell Project · Lshell

lshell 0.9.16 allows remote authenticated users to break out of a limited shell and execute arbitrary commands.

9.9 CVSS 3.0 Critical EPSS 5.1% · top 7.9% CWE-264 · Permissions and access controls
9.9CVSS 3.0 base score, v2 9.0
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

lshell 0.9.16 allows remote authenticated users to break out of a limited shell and execute arbitrary commands.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2016/08/22/17 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/92591 Third Party AdvisoryVDB Entry
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=834949 Issue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1369345 Issue TrackingPatch
https://github.com/ghantoos/lshell/commit/a686f71732a3d0f16df52ef46ab8a49ee0083c68 Issue TrackingPatchThird Party Advisory
https://github.com/ghantoos/lshell/issues/147 Issue TrackingPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/22/17 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/92591 Third Party AdvisoryVDB Entry
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=834949 Issue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1369345 Issue TrackingPatch
https://github.com/ghantoos/lshell/commit/a686f71732a3d0f16df52ef46ab8a49ee0083c68 Issue TrackingPatchThird Party Advisory
https://github.com/ghantoos/lshell/issues/147 Issue TrackingPatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2016-6903Lshell project lshell permissions and access controls vulnerabilitylshell 0.9.16 allows remote authenticated users to break out of a limited shell and execute arbitrary commands.EPSS 5.0%5.1CVE-2015-3246libuser userhelper direct /etc/passwd write race conditionlibuser before 0.56.13-8 and 0.60 before 0.60-7, as used by the userhelper program in the usermode package, modifies /etc/passwd directly instead of …KEVEPSS 8.8%analysed6.6CVE-2015-1769Windows Mount Manager symlink mishandling allows local privilege escalationThe Windows Mount Manager mishandles symbolic links, allowing a crafted USB device to trigger arbitrary code execution. Because the flaw is in a core…KEVEPSS 4.1%analysed7.8CVE-2016-3643SolarWinds Virtualization Manager sudo misconfiguration privilege escalationSolarWinds Virtualization Manager 6.3.1 and earlier ship with a misconfigured sudo policy that lets a local user run privileged commands, as shown by…KEVEPSS 3.7%analysed

Source: NIST National Vulnerability Database (record CVE-2016-6902), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.