XXE in Oracle Peoplesoft_enterprise_pt_peopletools

CVE-2017-18640

The Alias feature in SnakeYAML before 1.26 allows entity expansion during a load operation, a related issue to CVE-2003-1564.

EPSS: 0.267 (97.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-18640?
CVE-2017-18640 is a high-severity vulnerability in Oracle Peoplesoft_enterprise_pt_peopletools, classified under Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion). CVSS score: 7.5/10. Published 2019-12-12.
How severe is CVE-2017-18640?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-18640 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.