CRITICAL
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
Published Sep 19, 2017
9.8
CRITICALCVSS 3.0
EPSS 71.71%
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.
Affected products
No data.
OR
- ≤ 2.2.6
- 3.2.3
- 3.3.0
- 3.3.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
71.71% 0.71711
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.71711
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 71.71% (0.71711) | 99.41th | v5 (v2026.06.15) |
| Sep 22, 2026 | 71.71% (0.71711) | 99.39th | v5 (v2026.06.15) |
| Sep 21, 2026 | 65.60% (0.65601) | 99.26th | v5 (v2026.06.15) |
| Sep 6, 2026 | 71.71% (0.71711) | 99.38th | v5 (v2026.06.15) |
| Sep 5, 2026 | 65.60% (0.65601) | 99.24th | v5 (v2026.06.15) |
| Aug 30, 2026 | 71.71% (0.71711) | 99.38th | v5 (v2026.06.15) |
| Aug 28, 2026 | 65.60% (0.65601) | 99.23th | v5 (v2026.06.15) |
| Aug 24, 2026 | 71.71% (0.71711) | 99.37th | v5 (v2026.06.15) |
| Aug 23, 2026 | 65.60% (0.65601) | 99.23th | v5 (v2026.06.15) |
| Jun 15, 2026 | 71.52% (0.71515) | 99.34th | v5 (v2026.06.15) |
| Apr 5, 2025 | 44.84% (0.44845) | 97.32th | v4 (v2025.03.14) |
| Mar 30, 2025 | 45.98% (0.45975) | 97.37th | v4 (v2025.03.14) |
| Mar 29, 2025 | 52.48% (0.52481) | 96.99th | v4 (v2025.03.14) |
| Mar 17, 2025 | 45.98% (0.45975) | 97.34th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.25% (0.00247) | 65.28th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.25% (0.00247) | 63.77th | v3 (v2023.03.01) |
| Jul 5, 2023 | 0.25% (0.00247) | 61.46th | v3 (v2023.03.01) |
| May 8, 2023 | 0.32% (0.00317) | 65.86th | v3 (v2023.03.01) |
| Mar 22, 2023 | 0.35% (0.00351) | 67.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.43% (0.00429) | 70.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (1)
References (9)
- http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2014/May/54 mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory
- https://github.com/advisories/GHSA-w9ph-q4h9-rwq6 Advisory
- https://github.com/bcit-ci/CodeIgniter/blob/2.2.6/system/libraries/Session.php#L159
- https://github.com/kohana/core/commit/66b409a6da2960130888989534ff1799532b8f32
- https://github.com/kohana/core/pull/492 x_refsource_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-8684
- https://scott.arciszewski.me/research/full/php-framework-timing-attacks-object-injection x_refsource_MISCThird Party Advisory
- https://web.archive.org/web/20140802041151/https://scott.arciszewski.me/research/full/php-framework-timing-attacks-object-injection
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/130609/Seagate-Business-NAS-Unauthenticated-Remote-Command-Execution.html | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| http://seclists.org/fulldisclosure/2014/May/54 | mailing-listx_refsource_FULLDISCMailing ListThird Party Advisory | |
| https://github.com/advisories/GHSA-w9ph-q4h9-rwq6 | Advisory | |
| https://github.com/bcit-ci/CodeIgniter/blob/2.2.6/system/libraries/Session.php#L159 | ||
| https://github.com/kohana/core/commit/66b409a6da2960130888989534ff1799532b8f32 | ||
| https://github.com/kohana/core/pull/492 | x_refsource_CONFIRMThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-8684 | ||
| https://scott.arciszewski.me/research/full/php-framework-timing-attacks-object-injection | x_refsource_MISCThird Party Advisory | |
| https://web.archive.org/web/20140802041151/https://scott.arciszewski.me/research/full/php-framework-timing-attacks-object-injection |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 19, 2017
Updated Aug 6, 2024
Reserved Nov 9, 2014
Link CVE-2014-8684
CISA Vulnrichment
GHSA-W9PH-Q4H9-RWQ6 Updated n/a