CVE-2020-13776

systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were intended. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082.

CVSS v3 6.7 MEDIUM
CVSS v2.0 6.2 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.2^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:H/Au:N/C:C/I:C/A:C

Exploitability : 1.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity HIGH

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/systemd/systemd/issues/15985	Issue Tracking Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IYGLFEKG45EYBJ7TPQMLWROWPTZBEU63/
https://security.netapp.com/advisory/ntap-20200611-0003/	Third Party Advisory
https://github.com/systemd/systemd/issues/15985	Issue Tracking Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IYGLFEKG45EYBJ7TPQMLWROWPTZBEU63/
https://security.netapp.com/advisory/ntap-20200611-0003/	Third Party Advisory
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:netapp:active_iq_unified_manager:-:::::vmware_vsphere::
	cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:::::::*

Configuration 3 (hide)

cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

History

14 Oct 2026, 10:17

Type	Values Removed	Values Added
References		() https://cert-portal.siemens.com/productcert/html/ssa-398330.html -

Information

Published : 2020-06-03 03:15

Updated : 2026-10-14 10:17

NVD link : CVE-2020-13776

Mitre link : CVE-2020-13776

CVE.ORG link : CVE-2020-13776

JSON object : View

Products Affected

systemd_project

systemd

netapp

solidfire_\&_hci_management_node
active_iq_unified_manager

fedoraproject

fedora

CWE

CWE-269

Improper Privilege Management

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NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082."}, {"lang": "es", "value": "systemd versiones hasta v245 maneja inapropiadamente los nombres de usuario num\u00e9ricos, tales como los compuestos por d\u00edgitos decimales o 0x seguidos de d\u00edgitos hexadecimales, como es demostrado por el uso de privilegios root cuando era previsto privilegios de la cuenta de usuario 0x0. NOTA: este problema se presenta debido a una correcci\u00f3n incompleta para CVE-2017-1000082."}], "lastModified": "2026-10-14T10:17:28.897", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "10761C00-6450-4377-8DFC-16AE46BE54BB", "versionEndIncluding": "245"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*", "vulnerable": true, "matchCriteriaId": "3A756737-1CC4-42C2-A4DF-E1C893B4E2D5"}, {"criteria": "cpe:2.3:a:netapp:solidfire_\\&_hci_management_node:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D6D700C5-F67F-4FFB-BE69-D524592A3D2E"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}