LiveActive security incident?Get immediate response
CVE Record

CVE-2017-6774: A vulnerability in Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating sys...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

Cisco ASR 5000 routers running StarOS could let an authenticated remote attacker modify sensitive configuration files through FTP. For an organization using these routers, the concern is configuration integrity and potential service disruption. The provided sources name one affected release but do not provide CVSS scoring in this bundle. Exposure is likely limited to Cisco ASR 5000 deployments running affected StarOS releases, especially where FTP is enabled and reachable by authenticated users. The bundle only names release 21.0.v0.65839, so broader version exposure must be confirmed against Cisco guidance. Treat this as a high-priority infrastructure integrity issue if ASR 5000 routers are in use. The immediate business question is whether affected StarOS systems are deployed and whether FTP access is tightly controlled. Mitigation focus: Check Cisco advisory cisco-sa-20170816-staros2 and Bug ID CSCvd47739 for fixed software guidance.; Identify and prioritize any ASR 5000 systems running StarOS 21.0.v0.65839.; Restrict FTP access to trusted administrative networks and authorized accounts only..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2017-6774 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Cisco Systems, Inc.StarOS for ASR 5000 Series Aggregated Services Routers21.0.v0.65839Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.