What is CVE-2018-20857?

CVE-2018-20857 is a high-severity vulnerability in Zendesk Samlr, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-07-26.

How severe is CVE-2018-20857?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Zendesk Samlr

CVE-2018-20857

Zendesk Samlr before 2.6.2 allows an XML nodes comment attack such as a name_id node with user@example.com followed by . and then the attacker's domain name.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (65.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Zendesk Samlr
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20857?: CVE-2018-20857 is a high-severity vulnerability in Zendesk Samlr, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-07-26.
How severe is CVE-2018-20857?: High severity. CVSS v3 base score is 7.5 out of 10.