VulnerabilityModified
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.
HIGH 8.1EPSS 3.56%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.56% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- apereo/phpcas
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/99609Third Party Advisory, VDB Entry
- https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLogThird Party Advisory
- https://github.com/Jasig/phpCAS/issues/228Third Party Advisory
- http://www.securityfocus.com/bid/99609Third Party Advisory, VDB Entry
- https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLogThird Party Advisory
- https://github.com/Jasig/phpCAS/issues/228Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.