01 Record

CVE-2016-3120

The validate_as_request function in kdc_util.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.13.6 and 1.4.x before 1.14.3, when restrict_anonymous_to_tgt is enabled, uses

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

The validate_as_request function in kdc_util.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.13.6 and 1.4.x before 1.14.3, when restrict_anonymous_to_tgt is enabled, uses

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 4.62% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 91.0% of scored records. A rank, not a probability.
NVD base score: 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2016-08-01 01:00Z10 YR AGO

Last updated

2024-08-05 23:47Z2 YR AGO

Reserved

2016-03-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

2cdbf742c7049cfff648ee90457c0d3987e4e7bc5e1daf9b6c6fcb55141b3bb7

05 Affected products

VendorProductVersionsPlatforms

mitkerberos_5Not specified—

redhatenterprise_linuxNot specified—

redhatjboss_enterprise_application_platformNot specified—

redhatjboss_enterprise_web_serverNot specified—

06 References

github.comhttps://github.com/krb5/krb5/commit/93b4a6306a0026cf1cc31ac4bd8a49ba5d034ba7x_refsource_CONFIRM
www.securityfocus.com92132http://www.securityfocus.com/bid/92132vdb-entryx_refsource_BID
lists.debian.org[debian-lts-announce] 20180131 [SECURITY] [DLA 1265-1] krb5 security updatehttps://lists.debian.org/debian-lts-announce/2018/01/msg00040.htmlmailing-listx_refsource_MLIST
lists.opensuse.orgopenSUSE-SU-2016:2268http://lists.opensuse.org/opensuse-updates/2016-09/msg00035.htmlvendor-advisoryx_refsource_SUSE
krbdev.mit.eduhttp://krbdev.mit.edu/rt/Ticket/Display.html?id=8458x_refsource_CONFIRM
www.securitytracker.com1036442http://www.securitytracker.com/id/1036442vdb-entryx_refsource_SECTRACK
web.mit.eduhttp://web.mit.edu/kerberos/krb5-1.13/x_refsource_CONFIRM
rhn.redhat.comRHSA-2016:2591http://rhn.redhat.com/errata/RHSA-2016-2591.htmlvendor-advisoryx_refsource_REDHAT
web.mit.eduhttp://web.mit.edu/kerberos/krb5-1.14/x_refsource_CONFIRM
lists.fedoraproject.orgFEDORA-2016-0674a3c372https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AWL3KYFRJIX37EAM4DKCQQIQP2WBKL35/vendor-advisoryx_refsource_FEDORA

01 Record index

CVE-2016-3120

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2016-3120

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References