A vulnerability in the CLI of Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an authenticated, local attacker to bypass the CLI restrictions and execute commands on the underlying operating system. The vulnerability is due to insufficient input sanitization of user-supplied input at the CLI. An attacker could exploit this vulnerability by crafting a script on the device that will allow them to bypass built-in restrictions. An exploit could allow the unauthorized user to launch the CLI directly from a command shell. Cisco Bug IDs: CSCvd47722. Known Affected Releases: 21.0.v0.65839.
CVE-2017-6773
MEDIUMNVD 6.76.7—
EchelonGraph scoreMEDIUM confidence
Score 6.7 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 6.7; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.7Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.7
- EG Score
- 6.7(medium)
- EPSS
- 33.9%
- KEV
- Not listed
Published
August 17, 2017
Last Modified
May 13, 2026
References (6)
- psirt@ciscohttp://www.securityfocus.com/bid/100376
- psirt@ciscohttp://www.securitytracker.com/id/1039181
- psirt@ciscohttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-staros1
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/100376
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1039181
- af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-staros1
Data Freshness Timeline
(refreshed 12× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
What is CVE-2017-6773?
CVE-2017-6773 is a medium vulnerability published on August 17, 2017. A vulnerability in the CLI of Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an authenticated, local attacker to bypass the CLI restrictions and execute commands on the underlying operating system. The vulnerability is due to insufficient…
When was CVE-2017-6773 disclosed?
CVE-2017-6773 was first published in the National Vulnerability Database on August 17, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-6773 actively exploited?
CVE-2017-6773 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 33.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-6773?
CVE-2017-6773 has a CVSS v3 base score of 6.7 (NVD).
How do I remediate CVE-2017-6773?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-6773, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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