Cisco Firepower Threat Defense Software Detection Engine Policy Bypass Vulnerability
Published May 16, 2019
7.5
HIGHCVSS 3.0
EPSS 1.65%
Description
A vulnerability in the detection engine of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass configured access control policies. The vulnerability is due to improper validation of ICMP packets. An attacker could exploit this vulnerability by sending crafted ICMP packets to the affected device. A successful exploit could allow the attacker to bypass configured access control policies.
Affected products
-
- Version unspecifiedStatusaffectedConstraints-
- 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 Firepower Threat Defense Software | n/a |
|
- 6.2.0
- 6.2.0.5
- 6.2.3
- 6.2.3.1
- 6.2.3.2
- 6.4.0
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:L/PR:N/UI:N/S:U/C:N/I:H/A:N
1 other source (CVE.org) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
YesTechnical Impact
PartialDecision
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 v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.65% (0.01647) | 75.60th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.65% (0.01647) | 75.40th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.14% (0.00141) | 50.36th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.14% (0.00141) | 50.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00141) | 48.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.50% (0.04499) | 74.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.43% (0.03427) | 68.31th | v1 |
| Jan 6, 2022 | 3.43% (0.03427) | 68.01th | v1 |
| Jan 5, 2022 | 0.78% (0.00785) | 53.58th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.78% (0.00785) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/108340 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-ftdde-poly-bypass vendor-advisoryx_refsource_CISCOVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/108340 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-ftdde-poly-bypass | vendor-advisoryx_refsource_CISCOVendor Advisory |
Change history (0)
No recorded changes yet.