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TI-2026-16328 Aliases CVE-2026-20115GHSA-xm4h-9vf3-j26j

Cleartext transmission of sensitive information in Cisco IOS XE Software

Priority LOW 26CWE-319Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-319.

Summary

A vulnerability in Cisco IOS XE Software for Cisco Meraki could allow a remote, unauthenticated attacker to view confidential device information. This vulnerability is due to a device configuration upload being performed over an insecure tunnel. An attacker could exploit this vulnerability by conducting an on-path attack between the affected device and the Cisco Meraki Dashboard. A successful exploit could allow the attacker to view sensitive device configuration information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00158 4th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco IOS XE Software17.14.1; 17.14.1a; 17.15.1; 17.15.1w; 17.15.1a; 17.15.2; 17.15.1b; 17.15.1x; 17.15.1z; 17.15.3; 17.15.2c; 17.15.2a; 17.15.1y; 17.15.2b; 17.15.3a; 17.15.4; 17.15.3b; 17.15.4d; 17.15.4e; 17.16.1; 17.16.1a; 17.17.1; 17.18.1; 17.18.1w; 17.18.1a—No fix listedCNA
  • Cisco IOS XE Software VendorCisco Affected 17.14.1; 17.14.1a; 17.15.1; 17.15.1w; 17.15.1a; 17.15.2; 17.15.1b; 17.15.1x; 17.15.1z; 17.15.3; 17.15.2c; 17.15.2a; 17.15.1y; 17.15.2b; 17.15.3a; 17.15.4; 17.15.3b; 17.15.4d; 17.15.4e; 17.16.1; 17.16.1a; 17.17.1; 17.18.1; 17.18.1w; 17.18.1a Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*——Cisco
  • cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* Versions — — ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-20115
  2. 2026-10-03 Alias added: GHSA-xm4h-9vf3-j26j

References

Other 1

  • TI-2026-74174 Arbitrary file write in Cisco Secure Email Gateway via AMP feature KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-53490 Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-53489 Cisco Secure Email Gateway SQL Injection Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-53488 Cisco Identity Services Engine Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-16388 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-16344 Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
See all 7059 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences