CVE-2014-8684
CodeIgniter before 3.0 and Kohana 3.2.3 and earlier and 3.3.x through 3.3.2 make it easier for remote attackers to spoof session cookies and consequently conduct PHP object injection attacks by leveraging use of standard string comparison operators to…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 72.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
CodeIgniter before 3.0 and Kohana 3.2.3 and earlier and 3.3.x through 3.3.2 make it easier for remote attackers to spoof session cookies and consequently conduct PHP object injection attacks by leveraging use of standard string comparison operators to compare cryptographic hashes.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 72.16% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 4 March 2015
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- codeigniter/codeigniter · kohanaframework/kohana
- Source
- cve@mitre.org
EPSS moved from 65.6% on 21 September 2026 to 72.2% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2014/May/54Mailing List, Third Party Advisory
- https://github.com/kohana/core/pull/492Third Party Advisory
- https://scott.arciszewski.me/research/full/php-framework-timing-attacks-object-injectionThird Party Advisory
- http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2014/May/54Mailing List, Third Party Advisory
- https://github.com/kohana/core/pull/492Third Party Advisory
- https://scott.arciszewski.me/research/full/php-framework-timing-attacks-object-injectionThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.