Cisco Elastic Services Controller REST API Authentication Bypass Vulnerability
Published May 10, 2019
10.0
CRITICALCVSS 3.0
EPSS 30.34%
Description
A vulnerability in the REST API of Cisco Elastic Services Controller (ESC) could allow an unauthenticated, remote attacker to bypass authentication on the REST API. The vulnerability is due to improper validation of API requests. An attacker could exploit this vulnerability by sending a crafted request to the REST API. A successful exploit could allow the attacker to execute arbitrary actions through the REST API with administrative privileges on an affected system.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<4.1.0.100
- Version unspecifiedStatusaffectedConstraints<4.2.0.74
- Version unspecifiedStatusaffectedConstraints<4.3.0.121
- Version unspecifiedStatusaffectedConstraints<4.4.0.80
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Elastic Services Controller | n/a |
|
- ≥ 4.1 · < 4.5
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:C/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Nov 19, 2024 · SSVC 2.0.3
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 30.34% (0.30342) | 98.18th | v5 (v2026.06.15) |
| Jun 15, 2026 | 30.34% (0.30342) | 97.99th | v5 (v2026.06.15) |
| May 4, 2026 | 13.55% (0.13553) | 94.25th | v4 (v2025.03.14) |
| Mar 18, 2026 | 17.26% (0.17263) | 94.96th | v4 (v2025.03.14) |
| Mar 30, 2025 | 21.79% (0.21790) | 95.26th | v4 (v2025.03.14) |
| Mar 29, 2025 | 20.61% (0.20609) | 92.80th | v4 (v2025.03.14) |
| Mar 19, 2025 | 21.79% (0.21790) | 95.04th | v4 (v2025.03.14) |
| Mar 17, 2025 | 10.20% (0.10199) | 92.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.13% (0.02129) | 89.65th | v3 (v2023.03.01) |
| Mar 28, 2024 | 2.13% (0.02129) | 88.98th | v3 (v2023.03.01) |
| Jun 19, 2023 | 2.99% (0.02987) | 89.48th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.17% (0.04172) | 90.87th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.03% (0.09029) | 86.86th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.30% (0.02304) | 53.71th | v1 |
| Jan 6, 2022 | 2.30% (0.02304) | 53.25th | v1 |
| Sep 1, 2021 | 0.52% (0.00523) | 32.27th | v1 |
| Apr 14, 2021 | 0.52% (0.00523) | 0.00th | v1 |
References (1)
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190507-esc-authbypass vendor-advisoryx_refsource_CISCOVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190507-esc-authbypass | vendor-advisoryx_refsource_CISCOVendor Advisory |
Change history (0)
No recorded changes yet.