A vulnerability in certain filtering mechanisms of access control lists (ACLs) for Cisco ASR 5000 Series Aggregation Services Routers through 21.x could allow an unauthenticated, remote attacker to bypass ACL rules that have been configured for an affected device
Published Jul 25, 2017
7.5
HIGHCVSS 3.0
EPSS 1.83%
Description
A vulnerability in certain filtering mechanisms of access control lists (ACLs) for Cisco ASR 5000 Series Aggregation Services Routers through 21.x could allow an unauthenticated, remote attacker to bypass ACL rules that have been configured for an affected device. More Information: CSCvb99022 CSCvc16964 CSCvc37351 CSCvc54843 CSCvc63444 CSCvc77815 CSCvc88658 CSCve08955 CSCve14141 CSCve33870.
Affected products
- Vendor n/a Product Cisco ASR 5000 Series Aggregation Services Routers Defaultn/a
- Version Cisco ASR 5000 Series Aggregation Services RoutersStatusaffectedConstraints-
- 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 ASR 5000 Series Aggregation Services Routers | n/a |
|
- 19.3.5
- 19.3.11
- 19.3.12
- 19.6.0
- 19.6.3
- 19.6.6
- 20.1.v5
- 20.2.4
- 20.2.12
- 20.3.0
- 20.3.1
- 21.0.v1.66638
- 21.0.v2
- 21.1.0
- 21.1.2
- 21.1.m0.65710
- 21.1.m0.65921
- 21.1.m0.65931
- 21.1.m0.65986
- 21.1.v0
- 21.2.a0.65914
- 21.2.a0.65995
- 21.3.0
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
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 | 1.83% (0.01833) | 78.12th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.83% (0.01833) | 77.94th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.16% (0.00160) | 52.93th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.16% (0.00160) | 52.74th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00160) | 50.73th | 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/99921 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038962 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-asr1 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/99921 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038962 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170719-asr1 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.