CVE-2011-1526
CVE-2011-1526 is a medium-severity vulnerability in Mit Krb5-appl with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.5)
- EPSS exploit prediction: 4% (89th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-269
- Affected product: Mit Krb5-appl
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2011-1526?
- 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.
- How severe is CVE-2011-1526?
- CVE-2011-1526 has a CVSS 2.0 base score of 6.5, rated medium severity.
- Is CVE-2011-1526 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-1526?
- CVE-2011-1526 primarily affects Mit Krb5-appl. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-1526?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2011-1526 published?
- CVE-2011-1526 was published on 2011-07-11 and last updated on 2026-06-16.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062681.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062699.html
- http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00014.html
- http://secunia.com/advisories/45145
- http://secunia.com/advisories/45157
- http://secunia.com/advisories/48101
- http://securityreason.com/securityalert/8301
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-005.txt
- http://www.debian.org/security/2011/dsa-2283
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:117
- http://www.osvdb.org/73617
- http://www.redhat.com/support/errata/RHSA-2011-0920.html
- http://www.securityfocus.com/archive/1/518733/100/0/threaded
- http://www.securityfocus.com/bid/48571
- https://bugzilla.redhat.com/show_bug.cgi?id=711419
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68398
Affected products (16)
- cpe:2.3:a:mit:krb5-appl:*:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:15:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:-:*:*:*
- cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:10:sp2:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:10:sp3:*:*:ltss:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:-:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:-:vmware:*:*
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp1:*:*:*:*:*:*
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