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CVE-2016-2049

Published: Feb 1, 2016Updated: May 6, 2026 Sources: CVE List NVDCWE-284
8.8HIGH
NVD MITRE
EPSS Score
2.2%
Top 19.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

examples/consumer/common.php in JanRain PHP OpenID library (aka php-openid) improperly checks the openid.realm parameter against the SERVER_NAME element in the SERVER superglobal array, which might allow remote attackers to hijack the authentication of arbitrary users via vectors involving a crafted HTTP Host header.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-284

Affected Products

janrain
commercialaka rpx, php-openid, ruby-openid
php-openidSaaS
Security Products / identity-access-mgmt
and 1 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
Is your org exposed to CVE-2016-2049?We can run the check for you — a free external exposure review, no install. Check my exposure

References

http://www.openwall.com/lists/oss-security/2016/01/24/5
openwall.com
http://www.openwall.com/lists/oss-security/2016/01/24/2
openwall.com

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