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CVE-2014-8684· NVD / CVE Program· CNA mitre

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

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.

CriticalCVSS 9.8 · v3.0—Weaponized Fix available
Published
Sep 19, 2017
Updated
Jun 16, 2026
EPSS
71.7% · 99th percentile
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Action score

61

This week

Don’t wait for the next maintenance window.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
22 / 30 · 71.7%

Affected systems

VendorProduct
codeignitercodeigniter
kohanaframeworkkohana

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • codeigniter codeigniterup to 2.2.6 inclusive
  • kohanaframework kohana3.2.3
  • kohanaframework kohana3.3.0
  • kohanaframework kohana3.3.1

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Packagistcodeigniter/frameworkbefore 3.0.03.0.0
Packagistkohana/corebefore 3.3.33.3.3

Same product

codeigniter: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-21647Deserialization of Untrusted Data in Codeigniter4
    50Plan
  • CVE-2014-8686CodeIgniter before 2.2.0 makes it easier for attackers to decode session cookies by leveraging fallback to a custom XOR-based encryption sch
    50Plan
  • CVE-2015-5725SQL injection vulnerability in the offset method in the Active Record class in CodeIgniter before 2.2.4 allows remote attackers to execute a
    40Plan
  • CVE-2016-10131system/libraries/Email.php in CodeIgniter before 3.1.3 allows remote attackers to execute arbitrary code by leveraging control over the emai
    40Plan
  • CVE-2025-54418CodeIgniter4's ImageMagick Handler has Command Injection Vulnerability
    39Monitor
  • CVE-2023-32692Remote Code Execution Vulnerability in Validation Placeholders
    39Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Packagist:codeigniter/framework3.0.0Package registry (OSV)
Packagist:kohana/core3.3.3Package registry (OSV)

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entryremote2015-03-04
Metasploit moduleexploit/linux/http/seagate_nas_php_exec_noauthSeagate Business NAS Unauthenticated Remote Command Executionexploit2015-03-01

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-934 d
  2. First PoC-931 d
  3. Published
  4. TodaySep 29, 2026+3297 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-310 · Cryptographic Issues

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records