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CVE-2016-6902

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

9.9 Critical

CVE-2016-6902 is a critical vulnerability (CVSS 9.9) in Lshell Project Lshell, published April 24, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.47%, the 92nd percentile. No source names a fixed version.

What does this mean?
Severity
9.9 CriticalCVSS 3.0, NVD
Exploit chance
5.47%EPSS, 92nd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

5.47%Up 4.2 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
python-lshell
Mageia:5
From an advisory covering 2 CVEs
before 0.9.18-2.mga5
0.9.18-2.mga5
limited-shell
PyPI
through 0.9.16None known
lshell
Ubuntu:16.04:LTS
All versions, plus listed versions
0.9.17-1
None known

What each source reports

NVD Score used9.9

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

Record
CVE-2016-6902
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0
9.0 HighAV:N/AC:L/Au:S/C:C/I:C/A:C
Weakness
CWE-264
Updated
2026-11-02
CVE ListNo score

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

Record
CVE-2016-6902
Updated
2026-11-02
EUVDEUVD-2016-7787No score

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

Record
EUVD-2016-7787
Updated
2026-11-03
GitHub AdvisoriesGHSA-f3r7-j2g2-9mjw9.9

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

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

Record
GHSA-f3r7-j2g2-9mjw
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSV9.9

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

Record
CVE-2016-6902
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVPYSEC-2017-1539.9

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

Record
PYSEC-2017-153
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2016-69029.9

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

Record
UBUNTU-CVE-2016-6902
CVSS 3.0
9.9 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2017-0126No score

Updated python-lshell package fixes security vulnerabilities

Shell outbreak due to bad syntax parse (CVE-2016-6902). Shell outbreak with multiline commands (CVE-2016-6903).

Record
MGASA-2017-0126
Updated
2026-11-02

History

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

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

References

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