A vulnerability in Cisco IOS 15.5(3)M Software for Cisco CallManager Express (CME) could allow an unauthenticated, remote attacker to make unauthorized phone calls
Published May 3, 2017
5.3
MEDIUMCVSS 3.0
EPSS 1.39%
Description
A vulnerability in Cisco IOS 15.5(3)M Software for Cisco CallManager Express (CME) could allow an unauthenticated, remote attacker to make unauthorized phone calls. The vulnerability is due to a configuration restriction in the toll-fraud protections component of the affected software. An attacker could exploit this vulnerability to place unauthorized, long-distance phone calls by using an affected system. Cisco Bug IDs: CSCuy40939.
Affected products
- Vendor n/a Product Cisco CallManager Express Defaultn/a
- Version Cisco CallManager ExpressStatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Cisco CallManager Express | n/a |
|
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:L/A:N
AV:N/AC:L/Au:N/C:N/I:P/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 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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.39% (0.01385) | 71.21th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.39% (0.01385) | 70.99th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.16% (0.00162) | 53.26th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.16% (0.00162) | 53.05th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00162) | 51.04th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.05% (0.01046) | 28.66th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.05% (0.01046) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/98283 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038398 vdb-entryx_refsource_SECTRACK
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170503-cme1 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/98283 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038398 | vdb-entryx_refsource_SECTRACK | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170503-cme1 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.