A vulnerability in the Border Gateway Protocol (BGP) processing functionality of the Cisco StarOS operating system for Cisco ASR 5000 Series Routers and Cisco Virtualized Packet Core (VPC) Software could allow an unauthenticated, remote attacker to cause the BGP process on an affected system to reload, resulting in a denial of service (DoS) condition
Published Jul 10, 2017
7.5
HIGHCVSS 3.0
EPSS 2.30%
Description
A vulnerability in the Border Gateway Protocol (BGP) processing functionality of the Cisco StarOS operating system for Cisco ASR 5000 Series Routers and Cisco Virtualized Packet Core (VPC) Software could allow an unauthenticated, remote attacker to cause the BGP process on an affected system to reload, resulting in a denial of service (DoS) condition. This vulnerability affects the following products if they are running the Cisco StarOS operating system and BGP is enabled for the system: Cisco ASR 5000 Series Routers and Cisco Virtualized Packet Core Software. More Information: CSCvc44968. Known Affected Releases: 16.4.1 19.1.0 21.1.0 21.1.M0.65824. Known Fixed Releases: 21.3.A0.65902 21.2.A0.65905 21.1.b0.66164 21.1.V0.66014 21.1.R0.65898 21.1.M0.65894 21.1.0.66030 21.1.0.
Affected products
- Vendor n/a Product Cisco StarOS Defaultn/a
- Version Cisco StarOSStatusaffectedConstraints-
- 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 StarOS | n/a |
|
- 16.4.1
- 16.5.0
- 16.5.2
- 17.2.0
- 17.2.0.59184
- 17.3.0
- 17.3.1
- 17.3.9.62033
- 17.3_base
- 17.7.0
- 17.7.5
- 18.0.0
- 18.0.0.57828
- 18.0.0.59167
- 18.0.0.59211
- 18.0.l0.59219
- 18.1.0
- 18.1.0.59776
- 18.1.0.59780
- 18.1_base
- 18.3.0
- 18.3_base
- 18.4.0
- 19.0.1
- 19.0.m0.60737
- 19.0.m0.60828
- 19.0.m0.61045
- 19.1.0
- 19.1.0.61559
- 19.2.0
- 19.3.0
- 19.6.3
- 19.6_base
- 20.0.0
- 20.0.1.0
- 20.0.1.a0
- 20.0.1.v0
- 20.0.2.3
- 20.0.2.3.65026
- 20.0.2.v1
- 20.0.m0.62842
- 20.0.m0.63229
- 20.0.v0
- 20.1.v2
- 20.1_base
- 20.2.12
- 20.2_base
- 21.0.0
- 21.0.v1
- 21.0_base
- 21.0_m0.64246
- 21.0_m0.64702
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:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
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
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.30% (0.02297) | 82.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.30% (0.02297) | 80.97th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.12% (0.01121) | 76.73th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00236) | 62.63th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.24% (0.00236) | 61.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00236) | 59.89th | 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 | 1.30% (0.01300) | 31.12th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.30% (0.01300) | 0.00th | v1 |
No CWE recorded.
References (3)
- http://www.securityfocus.com/bid/100015 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038819 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170705-staros x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/100015 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038819 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170705-staros | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.