XXE in Jgraph Mxgraph

CVE-2017-18197

In mxGraphViewImageReader.java in mxGraph before 3.7.6, the SAXParserFactory instance in convert() is missing flags to prevent XML External Entity (XXE) attacks, as demonstrated by /ServerView.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.030 (85.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (x_refsource_CONFIRM, Exploit, Third Party Advisory)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Third Party Advisory)

Frequently asked questions

What is CVE-2017-18197?
CVE-2017-18197 is a critical-severity vulnerability in Jgraph Mxgraph, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2018-02-24.
How severe is CVE-2017-18197?
Critical severity. CVSS v3 base score is 9.8 out of 10.