MEDIUM
The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service (device reload) via malformed Q931 SETUP messages, aka Bug ID CSCut37890
Published May 16, 2015
6.1
MEDIUMCVSS 2.0
EPSS 0.61%
Description
The ISDN implementation in Cisco IOS 15.3S allows remote attackers to cause a denial of service (device reload) via malformed Q931 SETUP messages, aka Bug ID CSCut37890.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
6.1 MEDIUM NVD
AV:A/AC:L/Au:N/C:N/I:N/A:C
Access Vector Adjacent
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.61% 0.00613
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00613
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.61% (0.00613) | 47.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.63% (0.00625) | 45.05th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.26% (0.00262) | 47.60th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00112) | 46.23th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.11% (0.00112) | 44.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00112) | 42.84th | 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 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
Weaknesses (1)
References (2)
- http://tools.cisco.com/security/center/viewAlert.x?alertId=38833 vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.securitytracker.com/id/1032337 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://tools.cisco.com/security/center/viewAlert.x?alertId=38833 | vendor-advisoryx_refsource_CISCOVendor Advisory | |
| http://www.securitytracker.com/id/1032337 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner cisco
Published May 16, 2015
Updated Aug 6, 2024
Reserved Jan 7, 2015
Link CVE-2015-0731
CISA Vulnrichment
Updated n/a