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CVE-2011-1526

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and...

6.5 MediumFix available

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and earlier does not check the krb5_setegid return value, which allows remote authenticated users to bypass intended group access restrictions, and create, overwrite, delete, or read files, via standard FTP commands, related to missing autoconf tests in a configure script.

Exploit likelihood

3.94%Up 1.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.5

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and earlier does not check the krb5_setegid return value, which allows remote authenticated users to bypass intended group access restrictions, and create, overwrite, delete, or read files, via standard FTP commands, related to missing autoconf tests in a configure script.

Record
CVE-2011-1526
CVSS 2.0
6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness
CWE-269
Updated
2026-11-02
CVE List No score

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and earlier does not check the krb5_setegid return value, which allows remote authenticated users to bypass intended group access restrictions, and create, overwrite, delete, or read files, via standard FTP commands, related to missing autoconf tests in a configure script.

Record
CVE-2011-1526
Updated
2026-11-02
EUVDEUVD-2011-1527 No score

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and earlier does not check the krb5_setegid return value, which allows remote authenticated users to bypass intended group access restrictions, and create, overwrite, delete, or read files, via standard FTP commands, related to missing autoconf tests in a configure script.

Record
EUVD-2011-1527
Updated
2026-11-03
GitHub AdvisoriesGHSA-qc9v-p4hp-c5fh No score

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and...

ftpd.c in the GSS-API FTP daemon in MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.1 and earlier does not check the krb5_setegid return value, which allows remote authenticated users to bypass intended group access restrictions, and create, overwrite, delete, or read files, via standard FTP commands, related to missing autoconf tests in a configure script.

Record
GHSA-qc9v-p4hp-c5fh
Weakness
CWE-269
Updated
2026-11-02
OSVopenSUSE-SU-2024:13497-1 No score

krb5-appl-clients-1.0.3-1.1 on GA media

These are all security issues fixed in the krb5-appl-clients-1.0.3-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:13497-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
krb5-appl
Debian:6.0
 before 1:1.0.1-1.1, plus listed versions
1:1.0.1-1
1:1.0.1-1.1
krb5-appl
Red Hat:enterprise_linux:6::server
 before 0:1.0.1-2.el6_1.1
0:1.0.1-2.el6_1.1
krb5-appl-clients
Red Hat:enterprise_linux:6::server
 before 0:1.0.1-2.el6_1.1
0:1.0.1-2.el6_1.1
krb5-appl-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:1.0.1-2.el6_1.1
0:1.0.1-2.el6_1.1
krb5-appl-servers
Red Hat:enterprise_linux:6::server
 before 0:1.0.1-2.el6_1.1
0:1.0.1-2.el6_1.1
krb5
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-debuginfo
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-server
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-server-ldap
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
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Affected packages
PackageAffectedFixed
krb5
Red Hat:enterprise_linux:5::client
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-libs
Red Hat:enterprise_linux:5::client
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-workstation
Red Hat:enterprise_linux:5::client
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5
Red Hat:enterprise_linux:5::server
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-devel
Red Hat:enterprise_linux:5::server
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-libs
Red Hat:enterprise_linux:5::server
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-server
Red Hat:enterprise_linux:5::server
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-server-ldap
Red Hat:enterprise_linux:5::server
 before 0:1.6.1-70.el5
0:1.6.1-70.el5
krb5-workstation
Red Hat:enterprise_linux:5::server
 before 0:1.6.1-70.el5
0:1.6.1-70.el5

History

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

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

In short

CVE-2011-1526 is a medium vulnerability (CVSS 6.5) in Mit Krb5-appl, published July 11, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.94%, the 90th percentile. Fixed in krb5-appl 1:1.0.1-1.1.

References

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