CVE-2021-23418: The package glances before 3.2.1 are vulnerable to XML External Entity (XXE) Injection via the use of Fault to

Q: How do I fix CVE-2021-23418?

glances: upgrade to 3.2.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-23418 being exploited?

CVE-2021-23418 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-23418 affect?

CVE-2021-23418 affects glances. Severity is medium (CVSS 6.3). The package glances before 3.2.1 are vulnerable to XML External Entity (XXE) Injection via the use of Fault to parse untrusted XML data, which is known to be vulnerable to XML attacks.

Q: How urgent is CVE-2021-23418?

Priority 46/100. Public exploit reference

This month

MEDIUM 6.3UPGRADE

CVE-2021-23418 is a medium-severity flaw (CVSS 6.3) affecting glances. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The package glances before 3.2.1 are vulnerable to XML External Entity (XXE) Injection via the use of Fault to parse untrusted XML data, which is known to be vulnerable to XML attacks.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-611
Published	2021-07-29
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: glances project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-07-29 18:15 UTCPublished CVE record published
2026-06-17 03:38 UTCUpdated Record last modified

glances project glances UPGRADE

Affected: < 3.2.1

Fixed in: 3.2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy glances || rpm -q glances || glances --version

2. UPGRADE to 3.2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade glances

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade glances

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-23418?

glances: upgrade to 3.2.1. Exact commands for each OS are on this page.

Is CVE-2021-23418 being exploited?

CVE-2021-23418 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-23418 affect?

CVE-2021-23418 affects glances. Severity is medium (CVSS 6.3). The package glances before 3.2.1 are vulnerable to XML External Entity (XXE) Injection via the use of Fault to parse untrusted XML data, which is known to be vulnerable to XML attacks.

How urgent is CVE-2021-23418?

Priority 46/100. Public exploit reference

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References

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