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CVE-2020-13776 systemd

Affected softwaresystemd
Severity6.7 Medium CVSS 3.1 3 scores
WeaknessImproper privilege management (CWE-269)
Published3 Jun 2020
Updated14 Oct 2026

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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 6 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC none indexed
  • EPSS 0.46% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

6.7 MEDIUM v3.1 CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H 3 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 6.7 MEDIUM CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H NVD Primary published
CVSS 3.1 6.7 MEDIUM CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H CISA-ADP Secondary
CVSS 2.0 6.2 none AV:L/AC:H/Au:N/C:C/I:C/A:C NVD Primary

Affected software and releases

Products and versions

4 products, 4 version entries
SourceVendorProductSchemeAffected versions
nvd fedoraproject fedora generic 32
nvd netapp active iq unified manager generic any version
nvd netapp solidfire \& hci management node generic any version
nvd systemd project systemd generic ≤ 245

References

URLTags
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

Timeline

Published2020-06-03By the CVE Program.
NVD record modified2026-10-14NVD's own last-modified date for this record.