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CVE-2020-13776

MEDIUM
6.7
CVSS Score
Published: June 3, 2020 at 02:05 AM UTC
Updated: October 14, 2026 at 10:17 AM UTC
5 products affected across 4 vendorsFedoraActive IQ Unified ManagerSolidfire & Hci Management Node

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/systemd/systemd/issues/15985
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IYGLFEKG45EYBJ7TPQMLWROWPTZBEU63/
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20200611-0003/
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.7MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-269

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