CVE-2011-0002
libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts...
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
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 Medium
AV: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
| Package | Affected | Fixed |
|---|---|---|
libuserDebian:12 |
before 1:0.56.9.dfsg.1-1.1 | 1:0.56.9.dfsg.1-1.1 |
libuserDebian:13 |
before 1:0.56.9.dfsg.1-1.1 | 1:0.56.9.dfsg.1-1.1 |
libuserDebian:14 |
before 1:0.56.9.dfsg.1-1.1 | 1:0.56.9.dfsg.1-1.1 |
libuserRed 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-debuginfoRed 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-develRed Hat:enterprise_linux:4::as |
before 0:0.52.5-1.1.el4_8.1 | 0:0.52.5-1.1.el4_8.1 |
libuserRed 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-debuginfoRed 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-develRed Hat:enterprise_linux:4::desktop |
before 0:0.52.5-1.1.el4_8.1 | 0:0.52.5-1.1.el4_8.1 |
libuserRed 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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| Package | Affected | Fixed |
|---|---|---|
libuser-debuginfoRed 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-develRed Hat:enterprise_linux:4::es |
before 0:0.52.5-1.1.el4_8.1 | 0:0.52.5-1.1.el4_8.1 |
libuserRed 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-debuginfoRed 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-develRed Hat:enterprise_linux:4::ws |
before 0:0.52.5-1.1.el4_8.1 | 0:0.52.5-1.1.el4_8.1 |
libuserRed 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-debuginfoRed 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-develRed 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 |
libuserRed 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-debuginfoRed Hat:enterprise_linux:5::client |
before 0:0.54.7-2.1.el5_5.2 | 0:0.54.7-2.1.el5_5.2 |
libuserRed 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-debuginfoRed 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-develRed Hat:enterprise_linux:5::server |
before 0:0.54.7-2.1.el5_5.2 | 0:0.54.7-2.1.el5_5.2 |
libuserRed Hat:enterprise_linux:6::client |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-debuginfoRed Hat:enterprise_linux:6::client |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-develRed Hat:enterprise_linux:6::client |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-pythonRed Hat:enterprise_linux:6::client |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuserRed Hat:enterprise_linux:6::computenode |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-debuginfoRed Hat:enterprise_linux:6::computenode |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-develRed Hat:enterprise_linux:6::computenode |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-pythonRed Hat:enterprise_linux:6::computenode |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuserRed Hat:enterprise_linux:6::server |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-debuginfoRed Hat:enterprise_linux:6::server |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-develRed Hat:enterprise_linux:6::server |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-pythonRed Hat:enterprise_linux:6::server |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuserRed Hat:enterprise_linux:6::workstation |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-debuginfoRed Hat:enterprise_linux:6::workstation |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-develRed Hat:enterprise_linux:6::workstation |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
libuser-pythonRed Hat:enterprise_linux:6::workstation |
before 0:0.56.13-4.el6_0.1 | 0:0.56.13-4.el6_0.1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
redhat.com/support/errata/RHSA-2011-0170.html
secunia.com/advisories/43047
securitytracker.com/id?1024960
bugzilla.redhat.com/show_bug.cgi?id=643227
lists.fedoraproject.org/pipermail/package-announce/2011-January/053365.html
secunia.com/advisories/42891
Show 19 moreShow less
securityfocus.com/bid/45791
vupen.com/english/advisories/2011/0226
exchange.xforce.ibmcloud.com/vulnerabilities/64677
vupen.com/english/advisories/2011/0201
secunia.com/advisories/42966
kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
fedorahosted.org/libuser/browser/NEWS?rev=libuser-0.57
vupen.com/english/advisories/2011/0184
osvdb.org/70421
mandriva.com/security/advisories?name=MDVSA-2011:019
lists.fedoraproject.org/pipermail/package-announce/2011-January/053378.html
nvd.nist.gov/vuln/detail/CVE-2011-0002
github.com/advisories/GHSA-6ppq-r3vw-8xm4
security-tracker.debian.org/tracker/CVE-2011-0002
access.redhat.com/errata/RHSA-2011:0170
access.redhat.com/security/updates/classification
security.access.redhat.com/data/csaf/v2/advisories/2011/rhsa-2011_0170.json
access.redhat.com/security/cve/CVE-2011-0002
cve.org/CVERecord?id=CVE-2011-0002