HIGH
Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers to hijack web sessions via the PHPSESSID parameter
Published Jun 30, 2016
7.5
HIGHCVSS 3.1
EPSS 10.22%
Description
Session fixation vulnerability in Symphony CMS 2.6.7, when session.use_only_cookies is disabled, allows remote attackers to hijack web sessions via the PHPSESSID parameter.
Affected products
No data.
- 2.6.7
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.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
7.6 HIGH NVD
AV:N/AC:H/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
10.22% 0.10220
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.10220
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 (44 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 10.22% (0.10220) | 95.54th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.42% (0.09421) | 94.77th | v5 (v2026.06.15) |
| Mar 4, 2026 | 19.13% (0.19129) | 95.22th | v4 (v2025.03.14) |
| Mar 1, 2026 | 10.81% (0.10808) | 93.25th | v4 (v2025.03.14) |
| Feb 4, 2026 | 19.13% (0.19129) | 95.17th | v4 (v2025.03.14) |
| Feb 1, 2026 | 10.81% (0.10808) | 93.20th | v4 (v2025.03.14) |
| Jan 16, 2026 | 19.13% (0.19129) | 95.14th | v4 (v2025.03.14) |
| Jan 4, 2026 | 21.88% (0.21885) | 95.57th | v4 (v2025.03.14) |
| Jan 1, 2026 | 12.60% (0.12598) | 93.77th | v4 (v2025.03.14) |
| Dec 4, 2025 | 21.88% (0.21885) | 95.54th | v4 (v2025.03.14) |
| Dec 1, 2025 | 12.60% (0.12598) | 93.73th | v4 (v2025.03.14) |
| Nov 4, 2025 | 21.88% (0.21885) | 95.52th | v4 (v2025.03.14) |
| Nov 1, 2025 | 12.60% (0.12598) | 93.69th | v4 (v2025.03.14) |
| Oct 4, 2025 | 21.88% (0.21885) | 95.56th | v4 (v2025.03.14) |
| Oct 1, 2025 | 12.60% (0.12598) | 93.73th | v4 (v2025.03.14) |
| Sep 7, 2025 | 21.88% (0.21885) | 95.56th | v4 (v2025.03.14) |
| Sep 1, 2025 | 12.60% (0.12598) | 93.75th | v4 (v2025.03.14) |
| Aug 5, 2025 | 21.88% (0.21885) | 95.52th | v4 (v2025.03.14) |
| Aug 1, 2025 | 12.60% (0.12598) | 93.72th | v4 (v2025.03.14) |
| Jul 5, 2025 | 21.88% (0.21885) | 95.48th | v4 (v2025.03.14) |
| Jul 1, 2025 | 12.60% (0.12598) | 93.67th | v4 (v2025.03.14) |
| Jun 6, 2025 | 21.88% (0.21885) | 95.43th | v4 (v2025.03.14) |
| Jun 1, 2025 | 12.60% (0.12598) | 93.61th | v4 (v2025.03.14) |
| May 4, 2025 | 21.88% (0.21885) | 95.39th | v4 (v2025.03.14) |
| May 1, 2025 | 12.60% (0.12598) | 93.59th | v4 (v2025.03.14) |
| Apr 19, 2025 | 21.88% (0.21885) | 95.37th | v4 (v2025.03.14) |
| Apr 18, 2025 | 12.60% (0.12598) | 93.54th | v4 (v2025.03.14) |
| Apr 17, 2025 | 21.88% (0.21885) | 95.36th | v4 (v2025.03.14) |
| Apr 16, 2025 | 12.60% (0.12598) | 93.53th | v4 (v2025.03.14) |
| Apr 10, 2025 | 21.88% (0.21885) | 95.29th | v4 (v2025.03.14) |
| Apr 9, 2025 | 12.60% (0.12598) | 93.36th | v4 (v2025.03.14) |
| Mar 30, 2025 | 21.88% (0.21885) | 95.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 23.76% (0.23757) | 93.58th | v4 (v2025.03.14) |
| Mar 19, 2025 | 21.88% (0.21885) | 95.06th | v4 (v2025.03.14) |
| Mar 18, 2025 | 12.60% (0.12598) | 93.45th | v4 (v2025.03.14) |
| Mar 17, 2025 | 21.88% (0.21885) | 95.30th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.01% (0.03011) | 91.29th | v3 (v2023.03.01) |
| Apr 22, 2024 | 3.01% (0.03011) | 90.80th | v3 (v2023.03.01) |
| Jan 13, 2024 | 4.21% (0.04205) | 91.36th | v3 (v2023.03.01) |
| Aug 23, 2023 | 4.29% (0.04285) | 91.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.31% (0.03311) | 89.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 10.21% (0.10212) | 94.60th | v2 (v2022.01.01) |
| Apr 1, 2022 | 10.21% (0.10212) | 94.14th | v2 (v2022.01.01) |
| Feb 4, 2022 | 10.21% (0.10212) | 87.64th | v2 (v2022.01.01) |
Weaknesses (1)
References (6)
- http://hyp3rlinx.altervista.org/advisories/SYMPHONY-CMS-SESSION-FIXATION.txt x_refsource_MISCThird Party Advisory
- http://packetstormsecurity.com/files/137551/Symphony-CMS-2.6.7-Session-Fixation.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/archive/1/538714/100/0/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/91299 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/symphonycms/symphony-2/commit/b329a14adc40868965076a77210452e396243dcd x_refsource_CONFIRMThird Party Advisory
- https://www.exploit-db.com/exploits/39983/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://hyp3rlinx.altervista.org/advisories/SYMPHONY-CMS-SESSION-FIXATION.txt | x_refsource_MISCThird Party Advisory | |
| http://packetstormsecurity.com/files/137551/Symphony-CMS-2.6.7-Session-Fixation.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/archive/1/538714/100/0/threaded | mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/bid/91299 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/symphonycms/symphony-2/commit/b329a14adc40868965076a77210452e396243dcd | x_refsource_CONFIRMThird Party Advisory | |
| https://www.exploit-db.com/exploits/39983/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner certcc
Published Jun 30, 2016
Updated Aug 6, 2024
Reserved Apr 27, 2016
Link CVE-2016-4309
CISA Vulnrichment
Updated n/a