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CVE-2011-0002

libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts...

6.4 MediumFix available

CVE-2011-0002 is a medium vulnerability (CVSS 6.4) in Miloslav Trmac Libuser, published January 22, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.79%, the 89th percentile. Fixed in libuser 1:0.56.9.dfsg.1-1.1.

libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts, which makes it easier for remote attackers to obtain access by specifying one of these values.

Exploit likelihood

3.79%Unchanged since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.4

libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts, which makes it easier for remote attackers to obtain access by specifying one of these values.

Record
CVE-2011-0002
CVSS 2.0
6.4 MediumAV:N/AC:L/Au:N/C:P/I:P/A:N
Weakness
CWE-310
Updated
2026-11-02
CVE List No score

libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts, which makes it easier for remote attackers to obtain access by specifying one of these values.

Record
CVE-2011-0002
Updated
2026-11-02
EUVDEUVD-2011-0029 No score

libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts, which makes it easier for remote attackers to obtain access by specifying one of these values.

Record
EUVD-2011-0029
Updated
2026-11-03
GitHub AdvisoriesGHSA-6ppq-r3vw-8xm4 No score

libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts...

libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts, which makes it easier for remote attackers to obtain access by specifying one of these values.

Record
GHSA-6ppq-r3vw-8xm4
Updated
2026-11-02
OSV No score

libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts, which makes it easier for remote attackers to obtain access by specifying one of these values.

Record
CVE-2011-0002
Updated
2026-11-02
OSVDEBIAN-CVE-2011-0002 No score

libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts, which makes it easier for remote attackers to obtain access by specifying one of these values.

Record
DEBIAN-CVE-2011-0002
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libuser
Debian:12
 before 1:0.56.9.dfsg.1-1.1
1:0.56.9.dfsg.1-1.1
libuser
Debian:13
 before 1:0.56.9.dfsg.1-1.1
1:0.56.9.dfsg.1-1.1
libuser
Debian:14
 before 1:0.56.9.dfsg.1-1.1
1:0.56.9.dfsg.1-1.1
libuser
Red Hat:enterprise_linux:4::as
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
libuser-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
libuser-devel
Red Hat:enterprise_linux:4::as
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
libuser
Red Hat:enterprise_linux:4::desktop
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
libuser-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
libuser-devel
Red Hat:enterprise_linux:4::desktop
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
libuser
Red Hat:enterprise_linux:4::es
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
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Affected packages
PackageAffectedFixed
libuser-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
libuser-devel
Red Hat:enterprise_linux:4::es
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
libuser
Red Hat:enterprise_linux:4::ws
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
libuser-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
libuser-devel
Red Hat:enterprise_linux:4::ws
 before 0:0.52.5-1.1.el4_8.1
0:0.52.5-1.1.el4_8.1
libuser
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.54.7-2.1.el5_5.2
0:0.54.7-2.1.el5_5.2
libuser-debuginfo
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.54.7-2.1.el5_5.2
0:0.54.7-2.1.el5_5.2
libuser-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:0.54.7-2.1.el5_5.2
0:0.54.7-2.1.el5_5.2
libuser
Red Hat:enterprise_linux:5::client
 before 0:0.54.7-2.1.el5_5.2
0:0.54.7-2.1.el5_5.2
libuser-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:0.54.7-2.1.el5_5.2
0:0.54.7-2.1.el5_5.2
libuser
Red Hat:enterprise_linux:5::server
 before 0:0.54.7-2.1.el5_5.2
0:0.54.7-2.1.el5_5.2
libuser-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:0.54.7-2.1.el5_5.2
0:0.54.7-2.1.el5_5.2
libuser-devel
Red Hat:enterprise_linux:5::server
 before 0:0.54.7-2.1.el5_5.2
0:0.54.7-2.1.el5_5.2
libuser
Red Hat:enterprise_linux:6::client
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-debuginfo
Red Hat:enterprise_linux:6::client
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-devel
Red Hat:enterprise_linux:6::client
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-python
Red Hat:enterprise_linux:6::client
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser
Red Hat:enterprise_linux:6::computenode
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-debuginfo
Red Hat:enterprise_linux:6::computenode
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-devel
Red Hat:enterprise_linux:6::computenode
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-python
Red Hat:enterprise_linux:6::computenode
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser
Red Hat:enterprise_linux:6::server
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-devel
Red Hat:enterprise_linux:6::server
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-python
Red Hat:enterprise_linux:6::server
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser
Red Hat:enterprise_linux:6::workstation
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-devel
Red Hat:enterprise_linux:6::workstation
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1
libuser-python
Red Hat:enterprise_linux:6::workstation
 before 0:0.56.13-4.el6_0.1
0:0.56.13-4.el6_0.1

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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