CRITICAL
The REST API in CyberArk Password Vault Web Access before 9.9.5 and 10.x before 10.1 allows remote attackers to execute arbitrary code via a serialized .NET object in an Authorization HTTP header
Published Apr 12, 2018
9.8
CRITICALCVSS 3.0
EPSS 16.70%
Description
The REST API in CyberArk Password Vault Web Access before 9.9.5 and 10.x before 10.1 allows remote attackers to execute arbitrary code via a serialized .NET object in an Authorization HTTP header.
Affected products
No data.
OR
- < 9.9.5
- ≥ 10.0 · < 10.1
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.
16.70% 0.16702
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.16702
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 (40 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 16.70% (0.16702) | 96.94th | v5 (v2026.06.15) |
| Sep 22, 2026 | 16.70% (0.16702) | 96.89th | v5 (v2026.06.15) |
| Sep 21, 2026 | 11.85% (0.11851) | 95.96th | v5 (v2026.06.15) |
| Sep 6, 2026 | 17.00% (0.17005) | 96.86th | v5 (v2026.06.15) |
| Sep 5, 2026 | 11.93% (0.11927) | 95.90th | v5 (v2026.06.15) |
| Aug 30, 2026 | 17.00% (0.17005) | 96.84th | v5 (v2026.06.15) |
| Aug 28, 2026 | 11.93% (0.11927) | 95.87th | v5 (v2026.06.15) |
| Aug 24, 2026 | 17.00% (0.17005) | 96.83th | v5 (v2026.06.15) |
| Aug 23, 2026 | 11.93% (0.11927) | 95.86th | v5 (v2026.06.15) |
| Jun 15, 2026 | 17.69% (0.17685) | 96.76th | v5 (v2026.06.15) |
| Feb 18, 2026 | 9.11% (0.09111) | 92.48th | v4 (v2025.03.14) |
| Dec 21, 2025 | 23.99% (0.23987) | 95.84th | v4 (v2025.03.14) |
| Nov 21, 2025 | 41.77% (0.41770) | 97.26th | v4 (v2025.03.14) |
| Nov 18, 2025 | 52.66% (0.52656) | 97.83th | v4 (v2025.03.14) |
| Oct 27, 2025 | 41.77% (0.41770) | 97.27th | v4 (v2025.03.14) |
| Sep 28, 2025 | 42.90% (0.42896) | 97.41th | v4 (v2025.03.14) |
| Jul 10, 2025 | 49.45% (0.49453) | 97.67th | v4 (v2025.03.14) |
| Apr 30, 2025 | 53.98% (0.53979) | 97.82th | v4 (v2025.03.14) |
| Mar 30, 2025 | 56.05% (0.56050) | 97.90th | v4 (v2025.03.14) |
| Mar 29, 2025 | 66.94% (0.66940) | 98.00th | v4 (v2025.03.14) |
| Mar 17, 2025 | 56.05% (0.56050) | 97.87th | v4 (v2025.03.14) |
| Dec 17, 2024 | 73.90% (0.73899) | 98.32th | v3 (v2023.03.01) |
| Oct 6, 2024 | 65.38% (0.65380) | 97.96th | v3 (v2023.03.01) |
| Mar 22, 2024 | 71.52% (0.71519) | 97.98th | v3 (v2023.03.01) |
| Feb 20, 2024 | 78.48% (0.78483) | 98.15th | v3 (v2023.03.01) |
| Sep 24, 2023 | 85.94% (0.85944) | 98.16th | v3 (v2023.03.01) |
| Sep 3, 2023 | 90.39% (0.90389) | 98.41th | v3 (v2023.03.01) |
| Aug 12, 2023 | 90.47% (0.90466) | 98.39th | v3 (v2023.03.01) |
| Jul 8, 2023 | 91.98% (0.91976) | 98.49th | v3 (v2023.03.01) |
| Jun 17, 2023 | 91.36% (0.91359) | 98.40th | v3 (v2023.03.01) |
| May 11, 2023 | 92.67% (0.92673) | 98.50th | v3 (v2023.03.01) |
| Apr 6, 2023 | 92.59% (0.92590) | 98.44th | v3 (v2023.03.01) |
| Mar 7, 2023 | 95.09% (0.95086) | 98.83th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.75% (0.12753) | 95.58th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.75% (0.12753) | 95.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.75% (0.12753) | 90.05th | v2 (v2022.01.01) |
| Feb 3, 2022 | 11.78% (0.11783) | 88.49th | v1 |
| Jan 6, 2022 | 11.78% (0.11783) | 88.35th | v1 |
| Sep 1, 2021 | 11.78% (0.11783) | 95.66th | v1 |
| Apr 14, 2021 | 11.78% (0.11783) | 0.00th | v1 |
Weaknesses (1)
References (5)
- http://seclists.org/fulldisclosure/2018/Apr/18 mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory
- http://www.securityfocus.com/archive/1/541932/100/0/threaded mailing-listx_refsource_BUGTRAQExploitThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040675 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/44429/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
- https://www.redteam-pentesting.de/en/advisories/rt-sa-2017-014/-cyberark-password-vault-web-access-remote-code-execution x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/fulldisclosure/2018/Apr/18 | mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory | |
| http://www.securityfocus.com/archive/1/541932/100/0/threaded | mailing-listx_refsource_BUGTRAQExploitThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1040675 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/44429/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry | |
| https://www.redteam-pentesting.de/en/advisories/rt-sa-2017-014/-cyberark-password-vault-web-access-remote-code-execution | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 12, 2018
Updated Aug 5, 2024
Reserved Apr 7, 2018
Link CVE-2018-9843
CISA Vulnrichment
Updated n/a