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TI-2018-00160 Aliases CVE-2018-0196GHSA-q28h-h5rj-w8fv

Improper input validation in Cisco IOS XE

Priority LOW 24CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker to write arbitrary files to the operating system of an affected device. The vulnerability is due to insufficient input validation of HTTP requests that are sent to the web UI of the affected software. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web UI of the affected software. A successful exploit could allow the attacker to write arbitrary files to the operating system of an affected device. Cisco Bug IDs: CSCvb22645.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00985 62nd 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
—Cisco IOS XECisco IOS XE—No fix listedCNA
  • Cisco IOS XE Vendor— Affected Cisco IOS XE Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios_xe:16.1.2:*:*:*:*:*:*:*16.1.2VulnerableCisco
cpe:2.3:o:cisco:ios_xe:16.2.0:*:*:*:*:*:*:*16.2.0VulnerableCisco
cpe:2.3:o:cisco:ios_xe:16.3\(1\):*:*:*:*:*:*:*16.3(1)VulnerableCisco
  • cpe:2.3:o:cisco:ios_xe:16.1.2:*:*:*:*:*:*:* Versions 16.1.2 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:16.2.0:*:*:*:*:*:*:* Versions 16.2.0 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:16.3\(1\):*:*:*:*:*:*:* Versions 16.3(1) Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-0196
  2. 2026-10-03 Alias added: GHSA-q28h-h5rj-w8fv

References

  • TI-2023-06904 Cisco is providing an update for the ongoing investigation into observed exploitation of… KEVCVSS 3.1CRITICAL 10.0
  • TI-2018-00122 Memory corruption in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
  • TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
  • TI-2017-04497 Memory corruption in Cisco IOS XE Software KEVCVSS 3.1HIGH 8.8
See all 561 →

Sources