An XXE attack can occur in Kronos WebTA 5.0.4 when SAML is used.

published 2020-12-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23270

cvss: 9.8; version 3.1, NVD
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

Exploit prediction

1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

mindpointgroup.com https://www.mindpointgroup.com/blog/webta-xxe-version-5-0-4-vulnerability/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
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	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

References

mindpointgroup.com /blog/webta-xxe-version-5-0-4-vulnerability/
exploit, third-party-advisory

Sources

CVE List CVE-2020-35604
NVD CVE-2020-35604

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.

Summary