Skip to content
Fencer Vulns
medium 6.1

CVE-2022-27193 json

XML External Entities Vulnerability in CVRF-CSAF-Converter

published 2022-03-15 4 y ago modified 2026-07-06 4 mo ago also GHSA-m8gq-83gh-v42v , PYSEC-2026-627 , EUVD-2022-1470

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

CVRF-CSAF-Converter before 1.0.0-rc2 resolves XML External Entities (XXE). This leads to the inclusion of arbitrary (local) file content into the generated output document. An attacker can exploit this to disclose information from the system running the converter.

Patch / fix

  • pypi cvrf2csaf 1.0.0rc2

Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AC:L/AV:L/A:L/C:H/I:N/PR:N/S:U/UI:R
CNA 3.1 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N
OSV 3.1 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L
GitHub 3.1 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L

Affected packages

ecosystem package affected fixed in
pypi cvrf2csaf
<1.0.0rc2
1.0.0rc2

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference
  • CWE-552 Files or Directories Accessible to External Parties

References

Sources

Fencer Vulns 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.