XSS in Apache Syncope

CVE-2019-17557

It was found that the Apache Syncope EndUser UI login page prio to 2.0.15 and 2.1.6 reflects the successMessage parameters. By this mean, a user accessing the Enduser UI could execute javascript code from URL query string.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (68.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-17557: held from 0.012 to 0.012.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

  • Apache Syncope
  • Apache Syncope — versions Apache Syncope 2.0.X releases prior to 2.0.15, 2.1.X releases prior to 2.1.6

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-17557?
CVE-2019-17557 is a medium-severity vulnerability in Apache Syncope, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-05-04.
How severe is CVE-2019-17557?
Medium severity. CVSS v3 base score is 5.4 out of 10.