Vulnerability Details : 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 category: BypassGain privilege
Products affected by CVE-2017-1000071
- cpe:2.3:a:apereo:phpcas:1.3.4:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-1000071
0.62%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-1000071
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
8.1
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
NIST |
CWE ids for CVE-2017-1000071
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-1000071
-
https://github.com/Jasig/phpCAS/issues/228
Authentication bypass in validateCAS20 · Issue #228 · apereo/phpCAS · GitHubThird Party Advisory
-
https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog
phpCAS/ChangeLog at master · apereo/phpCAS · GitHubThird Party Advisory
-
http://www.securityfocus.com/bid/99609
phpCAS CVE-2017-1000071 Authentication Bypass VulnerabilityThird Party Advisory;VDB Entry
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