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Fencer Intel
medium 6.3

CVE-2021-23418 json

XML External Entity (XXE) Injection

published 5y ago modified 4mo ago also GHSA-r2mj-8wgq-73m6 , PYSEC-2021-115 , EUVD-2021-0094

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi glances 3.2.1
  • n/a Glances 3.2.1
  • glances Debian 14, Debian 13, Debian 12 3.2.3.1+dfsg-1

debian advisories DEBIAN-CVE-2021-23418

  • glances Ubuntu Pro 16.04 LTS 2.3-1ubuntu0.1~esm1
  • glances Ubuntu Pro 18.04 LTS 2.11.1-3ubuntu0.1~esm1
  • glances Ubuntu Pro 20.04 LTS 3.1.3-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2021-23418

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • python-Glances openSUSE Tumbleweed 4.5.6-1.1

opensuse advisories openSUSE-SU-2026:11674-1

  • glances Arch Linux 3.2.1-1

arch linux advisories AVG-2242

Is CVE-2021-23418 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-23418 updated cvss 6.3

glances: XEE injection via the use of Fault to parse untrusted XML data

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/nicolargo/glances/issues/1025 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Affected packages

ecosystem package affected fixed in
pypi glances
<3.2.1
3.2.1

Affected products

  • n/a Glances

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.