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Vulnerability details: VCID-gn4q-ub2s-hbcz
Vulnerability ID VCID-gn4q-ub2s-hbcz
Aliases CVE-2011-1758
Summary The krb5_save_ccname_done function in providers/krb5/krb5_auth.c in System Security Services Daemon (SSSD) 1.5.x before 1.5.7, when automatic ticket renewal and offline authentication are configured, uses a pathname string as a password, which allows local users to bypass Kerberos authentication by listing the /tmp directory to obtain the pathname.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
Reference id Reference type URL
http://git.fedorahosted.org/git/?p=sssd.git%3Ba=commit%3Bh=fffdae81651b460f3d2c119c56d5caa09b4de42a
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059532.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/059619.html
http://openwall.com/lists/oss-security/2011/04/29/4
https://api.first.org/data/v1/epss?cve=CVE-2011-1758
https://bugzilla.redhat.com/show_bug.cgi?id=700867
https://bugzilla.redhat.com/show_bug.cgi?id=700891
https://fedorahosted.org/pipermail/sssd-devel/2011-April/006138.html
https://fedorahosted.org/sssd/ticket/856
https://fedorahosted.org/sssd/wiki/Releases/Notes-1.5.7
cpe:2.3:a:fedoraproject:sssd:1.5.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:fedoraproject:sssd:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:fedoraproject:sssd:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:fedoraproject:sssd:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.3:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:fedoraproject:sssd:1.5.3:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:fedoraproject:sssd:1.5.4:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:fedoraproject:sssd:1.5.5:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:fedoraproject:sssd:1.5.6:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:sssd:1.5.6.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:fedoraproject:sssd:1.5.6.1:*:*:*:*:*:*:*
CVE-2011-1758 https://nvd.nist.gov/vuln/detail/CVE-2011-1758
No exploits are available.
Vector: AV:L/AC:H/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2011-1758
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete

Exploit Prediction Scoring System (EPSS)
Percentile 0.14735
EPSS Score 0.00048
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T17:38:50.395856+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 38.0.0