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Vulnerability details: VCID-6u99-q9jp-uufv
Vulnerability ID VCID-6u99-q9jp-uufv
Aliases CVE-2023-36054
Summary lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitialized pointer. A remote authenticated user can trigger a kadmind crash. This occurs because _xdr_kadm5_principal_ent_rec does not validate the relationship between n_key_data and the key_data array count.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-824 Access of Uninitialized Pointer
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-36054.json
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
epss 0.00704 https://api.first.org/data/v1/epss?cve=CVE-2023-36054
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
ssvc Track https://github.com/krb5/krb5/commit/ef08b09c9459551aabbe7924fb176f1583053cdd
ssvc Track https://github.com/krb5/krb5/compare/krb5-1.20.1-final...krb5-1.20.2-final
ssvc Track https://github.com/krb5/krb5/compare/krb5-1.21-final...krb5-1.21.1-final
ssvc Track https://lists.debian.org/debian-lts-announce/2023/10/msg00031.html
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2023-36054
ssvc Track https://security.netapp.com/advisory/ntap-20230908-0004/
ssvc Track https://web.mit.edu/kerberos/www/advisories/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-36054.json
https://api.first.org/data/v1/epss?cve=CVE-2023-36054
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-36054
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1043431 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1043431
2230178 https://bugzilla.redhat.com/show_bug.cgi?id=2230178
advisories https://web.mit.edu/kerberos/www/advisories/
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.21:-:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mit:kerberos_5:1.21:-:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:1.21:beta1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mit:kerberos_5:1.21:beta1:*:*:*:*:*:*
cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:clustered_data_ontap:9.0:-:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:clustered_data_ontap:9.0:-:*:*:*:*:*:*
cpe:2.3:a:netapp:hci:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:hci:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:management_services_for_element_software:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:management_services_for_element_software:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_tools:-:*:*:*:*:vmware_vsphere:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:ontap_tools:-:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
CVE-2023-36054 https://nvd.nist.gov/vuln/detail/CVE-2023-36054
ef08b09c9459551aabbe7924fb176f1583053cdd https://github.com/krb5/krb5/commit/ef08b09c9459551aabbe7924fb176f1583053cdd
krb5-1.20.1-final...krb5-1.20.2-final https://github.com/krb5/krb5/compare/krb5-1.20.1-final...krb5-1.20.2-final
krb5-1.21-final...krb5-1.21.1-final https://github.com/krb5/krb5/compare/krb5-1.21-final...krb5-1.21.1-final
msg00031.html https://lists.debian.org/debian-lts-announce/2023/10/msg00031.html
ntap-20230908-0004 https://security.netapp.com/advisory/ntap-20230908-0004/
RHSA-2023:6699 https://access.redhat.com/errata/RHSA-2023:6699
USN-6467-1 https://usn.ubuntu.com/6467-1/
USN-6467-2 https://usn.ubuntu.com/6467-2/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-36054.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-11T13:57:00Z/ Found at https://github.com/krb5/krb5/commit/ef08b09c9459551aabbe7924fb176f1583053cdd
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-11T13:57:00Z/ Found at https://github.com/krb5/krb5/compare/krb5-1.20.1-final...krb5-1.20.2-final
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-11T13:57:00Z/ Found at https://github.com/krb5/krb5/compare/krb5-1.21-final...krb5-1.21.1-final
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-11T13:57:00Z/ Found at https://lists.debian.org/debian-lts-announce/2023/10/msg00031.html
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2023-36054
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-11T13:57:00Z/ Found at https://security.netapp.com/advisory/ntap-20230908-0004/
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-10-11T13:57:00Z/ Found at https://web.mit.edu/kerberos/www/advisories/
Exploit Prediction Scoring System (EPSS)
Percentile 0.69873
EPSS Score 0.00648
Published At Sept. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:34:42.014456+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/6467-2/ 37.0.0