Critical severity · published Aug 7, 2017
CVE-2015-1555
Zend/Session/SessionManager in Zend Framework 2.2.x before 2.2.9, 2.3.x before 2.3.4 allows remote attackers to create valid sessions without using session validators
9.1
CVSS
1.4%
EPSS
No
On KEV
Description
Zend/Session/SessionManager in Zend Framework 2.2.x before 2.2.9, 2.3.x before 2.3.4 allows remote attackers to create valid sessions without using session validators.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZF
Zend Framework · Zend
2.2.0; 2.2.1; 2.2.2; 2.2.3; 2.2.4; 2.2.5; +7 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-1555
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-1555
Vendor Advisory
http://framework.zend.com/security/advisory/ZF2015-01
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