CVE-2020-13776
Last modified
CVE-2020-13776 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Systemd Project | Systemd | <= 245 |
| Netapp | Active Iq Unified Manager | All versions |
| Netapp | Solidfire \& Hci Management Node | All versions |
| Fedoraproject | Fedora | 32 |
References
- https://github.com/systemd/systemd/issues/15985Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200611-0003/Third Party Advisory
- https://github.com/systemd/systemd/issues/15985Issue Tracking, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200611-0003/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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