A vulnerability in Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an authenticated, remote attacker to overwrite or modify sensitive system files
Published Aug 17, 2017
5.0
MEDIUMCVSS 3.0
EPSS 1.17%
Description
A vulnerability in Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an authenticated, remote attacker to overwrite or modify sensitive system files. The vulnerability is due to the inclusion of sensitive system files within specific FTP subdirectories. An attacker could exploit this vulnerability by overwriting sensitive configuration files through FTP. An exploit could allow the attacker to overwrite configuration files on an affected system. Cisco Bug IDs: CSCvd47739. Known Affected Releases: 21.0.v0.65839.
Affected products
- Vendor Cisco Systems, Inc. Product StarOS for ASR 5000 Series Aggregated Services Routers Defaultn/a
- Version 21.0.v0.65839StatusaffectedConstraints-
- 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 Systems, Inc. | StarOS for ASR 5000 Series Aggregated Services Routers | n/a |
|
- 21.0.v0.65839
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:L/UI:N/S:C/C:N/I:L/A:N
AV:N/AC:L/Au:S/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 | 1.17% (0.01170) | 66.24th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.17% (0.01170) | 66.01th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.10% (0.00095) | 40.54th | v3 (v2023.03.01) |
| Jul 13, 2024 | 0.10% (0.00095) | 40.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00095) | 38.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.06% (0.01061) | 52.82th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.06% (0.01061) | 28.23th | 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/100386 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039182 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-staros2 vendor-advisoryx_refsource_CISCOVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/100386 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039182 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-staros2 | vendor-advisoryx_refsource_CISCOVendor Advisory |
Change history (0)
No recorded changes yet.