Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a ROBOT attack
Published Dec 13, 2017
5.9
MEDIUMCVSS 3.0
EPSS 13.88%
Description
Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a ROBOT attack.
Affected products
No data.
Configuration 1
- 10.5
- 11.0
- 11.1
- 12.0
Configuration 2
- 10.5
- 11.0
- 11.1
- 12.0
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:H/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:M/Au:N/C:P/I:N/A:N
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 2, 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 (62 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 13.88% (0.13877) | 96.42th | v5 (v2026.06.15) |
| Sep 6, 2026 | 13.82% (0.13817) | 96.26th | v5 (v2026.06.15) |
| Sep 5, 2026 | 12.80% (0.12801) | 96.07th | v5 (v2026.06.15) |
| Aug 30, 2026 | 13.82% (0.13817) | 96.24th | v5 (v2026.06.15) |
| Aug 28, 2026 | 12.80% (0.12801) | 96.05th | v5 (v2026.06.15) |
| Aug 24, 2026 | 13.82% (0.13817) | 96.22th | v5 (v2026.06.15) |
| Aug 23, 2026 | 12.80% (0.12801) | 96.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.82% (0.13817) | 96.03th | v5 (v2026.06.15) |
| Mar 17, 2026 | 78.27% (0.78268) | 99.00th | v4 (v2025.03.14) |
| Mar 11, 2026 | 80.55% (0.80545) | 99.11th | v4 (v2025.03.14) |
| Mar 4, 2026 | 79.42% (0.79419) | 99.05th | v4 (v2025.03.14) |
| Mar 1, 2026 | 67.71% (0.67711) | 98.56th | v4 (v2025.03.14) |
| Feb 4, 2026 | 79.42% (0.79419) | 99.04th | v4 (v2025.03.14) |
| Feb 1, 2026 | 67.71% (0.67711) | 98.55th | v4 (v2025.03.14) |
| Jan 4, 2026 | 79.42% (0.79419) | 99.04th | v4 (v2025.03.14) |
| Jan 1, 2026 | 67.71% (0.67711) | 98.53th | v4 (v2025.03.14) |
| Dec 4, 2025 | 79.42% (0.79419) | 99.02th | v4 (v2025.03.14) |
| Dec 1, 2025 | 67.71% (0.67711) | 98.51th | v4 (v2025.03.14) |
| Nov 12, 2025 | 79.42% (0.79419) | 99.03th | v4 (v2025.03.14) |
| Nov 4, 2025 | 77.77% (0.77766) | 98.95th | v4 (v2025.03.14) |
| Nov 1, 2025 | 65.10% (0.65102) | 98.40th | v4 (v2025.03.14) |
| Oct 4, 2025 | 77.77% (0.77766) | 98.95th | v4 (v2025.03.14) |
| Oct 1, 2025 | 65.10% (0.65102) | 98.43th | v4 (v2025.03.14) |
| Sep 4, 2025 | 77.77% (0.77766) | 98.96th | v4 (v2025.03.14) |
| Sep 1, 2025 | 65.10% (0.65102) | 98.43th | v4 (v2025.03.14) |
| Aug 4, 2025 | 77.77% (0.77766) | 98.95th | v4 (v2025.03.14) |
| Aug 1, 2025 | 65.10% (0.65102) | 98.41th | v4 (v2025.03.14) |
| Jul 4, 2025 | 77.77% (0.77766) | 98.94th | v4 (v2025.03.14) |
| Jul 1, 2025 | 65.10% (0.65102) | 98.38th | v4 (v2025.03.14) |
| Jun 4, 2025 | 78.35% (0.78348) | 98.96th | v4 (v2025.03.14) |
| Jun 1, 2025 | 66.01% (0.66012) | 98.40th | v4 (v2025.03.14) |
| May 4, 2025 | 78.35% (0.78348) | 98.95th | v4 (v2025.03.14) |
| May 1, 2025 | 68.65% (0.68649) | 98.51th | v4 (v2025.03.14) |
| Apr 18, 2025 | 78.35% (0.78348) | 98.94th | v4 (v2025.03.14) |
| Apr 17, 2025 | 68.65% (0.68649) | 98.49th | v4 (v2025.03.14) |
| Apr 13, 2025 | 78.35% (0.78348) | 98.98th | v4 (v2025.03.14) |
| Apr 11, 2025 | 68.65% (0.68649) | 98.52th | v4 (v2025.03.14) |
| Apr 10, 2025 | 78.35% (0.78348) | 98.98th | v4 (v2025.03.14) |
| Apr 9, 2025 | 68.65% (0.68649) | 98.52th | v4 (v2025.03.14) |
| Apr 7, 2025 | 78.35% (0.78348) | 98.97th | v4 (v2025.03.14) |
| Apr 6, 2025 | 68.65% (0.68649) | 98.52th | v4 (v2025.03.14) |
| Mar 30, 2025 | 78.35% (0.78348) | 98.97th | v4 (v2025.03.14) |
| Mar 29, 2025 | 81.39% (0.81388) | 98.94th | v4 (v2025.03.14) |
| Mar 27, 2025 | 78.35% (0.78348) | 98.94th | v4 (v2025.03.14) |
| Mar 26, 2025 | 68.65% (0.68649) | 98.52th | v4 (v2025.03.14) |
| Mar 17, 2025 | 78.35% (0.78348) | 98.98th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.30% (0.00304) | 70.51th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00304) | 68.86th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.30% (0.00304) | 65.52th | v3 (v2023.03.01) |
| Jun 15, 2023 | 0.53% (0.00530) | 73.80th | v3 (v2023.03.01) |
| May 8, 2023 | 0.65% (0.00648) | 76.26th | v3 (v2023.03.01) |
| May 6, 2023 | 0.37% (0.00371) | 68.54th | v3 (v2023.03.01) |
| Mar 24, 2023 | 0.65% (0.00645) | 76.15th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.73% (0.00733) | 77.80th | 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) |
| Feb 3, 2022 | 10.51% (0.10511) | 87.58th | v1 |
| Jan 6, 2022 | 10.51% (0.10511) | 87.44th | v1 |
| Sep 1, 2021 | 10.51% (0.10511) | 95.08th | v1 |
| Apr 14, 2021 | 10.51% (0.10511) | 0.00th | v1 |
References (5)
- http://www.securityfocus.com/bid/102173 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039985 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://robotattack.org/ x_refsource_MISCThird Party Advisory
- https://support.citrix.com/article/ctx230238 x_refsource_CONFIRMVendor Advisory
- https://www.kb.cert.org/vuls/id/144389 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/102173 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039985 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://robotattack.org/ | x_refsource_MISCThird Party Advisory | |
| https://support.citrix.com/article/ctx230238 | x_refsource_CONFIRMVendor Advisory | |
| https://www.kb.cert.org/vuls/id/144389 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.