A vulnerability has been discovered in login.cgi in Pulse Secure Pulse Connect Secure (PCS) 8.1RX before 8.1R12 and 8.3RX before 8.3R2 and Pulse Policy Secure (PPS) 5.2RX before 5.2R9 and 5.4RX before 5.4R2 wherein an http(s) Host header received from the browser is trusted without validation
Published Sep 6, 2018
9.8
CRITICALCVSS 3.0
EPSS 4.08%
Description
A vulnerability has been discovered in login.cgi in Pulse Secure Pulse Connect Secure (PCS) 8.1RX before 8.1R12 and 8.3RX before 8.3R2 and Pulse Policy Secure (PPS) 5.2RX before 5.2R9 and 5.4RX before 5.4R2 wherein an http(s) Host header received from the browser is trusted without validation.
Affected products
No data.
- 8.1
- 8.1r1.0
- 8.1rx
- 8.3rx
- 5.2r1.0
- 5.2r2.0
- 5.2r3.0
- 5.2r3.2
- 5.2r4.0
- 5.2r5.0
- 5.2r6.0
- 5.2r7.0
- 5.2r7.1
- 5.2r8.0
- 5.2rx
- 5.4r1
- 5.4r2
- 5.4rx
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.08% (0.04079) | 90.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.08% (0.04079) | 89.36th | v5 (v2026.06.15) |
| Dec 10, 2025 | 4.09% (0.04095) | 88.19th | v4 (v2025.03.14) |
| Nov 21, 2025 | 5.24% (0.05235) | 89.51th | v4 (v2025.03.14) |
| Nov 18, 2025 | 3.40% (0.03404) | 86.22th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.27% (0.05267) | 89.03th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.26% (0.10263) | 88.50th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.27% (0.05267) | 89.28th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.22% (0.00222) | 60.93th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.22% (0.00222) | 60.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.22% (0.00222) | 58.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.44% (0.00442) | 10.76th | v1 |
| Jan 6, 2022 | 0.44% (0.00442) | 10.46th | v1 |
| Sep 1, 2021 | 0.44% (0.00442) | 27.73th | v1 |
| Apr 14, 2021 | 0.44% (0.00442) | 0.00th | v1 |
References (1)
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.