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TI-2017-04474 Aliases CVE-2017-6718GHSA-v223-xc7w-3v7p

Improper input validation in Cisco IOS XR

Priority LOW 30CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to elevate privileges to the root level. More Information: CSCvb99384. Known Affected Releases: 6.2.1.BASE. Known Fixed Releases: 6.2.11.3i.ROUT 6.2.1.29i.ROUT 6.2.1.26i.ROUT.

Why it matters now

EPSS 0.00375 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Cisco IOS XRCisco IOS XR—No fix listedCNA
  • Cisco IOS XR Vendor— Affected Cisco IOS XR Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios_xr:6.0.2:*:*:*:*:*:*:*6.0.2VulnerableCisco
cpe:2.3:o:cisco:ios_xr:6.0.2.01:*:*:*:*:*:*:*6.0.2.01VulnerableCisco
  • cpe:2.3:o:cisco:ios_xr:6.0.2:*:*:*:*:*:*:* Versions 6.0.2 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xr:6.0.2.01:*:*:*:*:*:*:* Versions 6.0.2.01 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-6718
  2. 2026-10-03 Alias added: GHSA-v223-xc7w-3v7p

References

  • TI-2020-02680 Cisco IOS XR Software Cisco Discovery Protocol Format String Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
  • TI-2020-03113 Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities KEVCVSS 3.1HIGH 8.6
  • TI-2020-03110 Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability KEVCVSS 3.1HIGH 8.6
  • TI-2018-00142 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.0
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
See all 199 →

Sources