What is CVE-2017-1000071?

CVE-2017-1000071 is a high-severity vulnerability in Apereo Phpcas, classified under Improper Authentication. CVSS score: 8.1/10. Published 2017-07-17.

How severe is CVE-2017-1000071?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Apereo Phpcas

CVE-2017-1000071

Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.

Vulnerability class: Broken Authentication

EPSS: 0.002 (48.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apereo Phpcas — versions 1.3.4
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2017-1000071?: CVE-2017-1000071 is a high-severity vulnerability in Apereo Phpcas, classified under Improper Authentication. CVSS score: 8.1/10. Published 2017-07-17.
How severe is CVE-2017-1000071?: High severity. CVSS v3 base score is 8.1 out of 10.