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TI-2025-19890 Aliases CVE-2025-27019GHSA-g73r-575p-rqj2

Missing authentication in Nokia MTC-9

Priority MEDIUM 49CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

Remote shell service (RSH) in Infinera MTC-9 version R22.1.1.0275 allows an attacker to utilize password-less user accounts and obtain system access by activating a reverse shell.This issue affects MTC-9: from R22.1.1.0275 before R23.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00426 37th percentileScored 2026-11-07
Fix Fixed MTC-9 (Infinera): R23.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
NokiaMTC-9R22.1.1.0275 to before R23.0R23.0Patch availableCNA
  • MTC-9 VendorNokia Affected R22.1.1.0275 to before R23.0 Fixed in R23.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:nokia:infinera_mtc-9_firmware:*:*:*:*:*:*:*:*22.1.1.0275 to before 23.0VulnerableNokia
cpe:2.3:h:nokia:infinera_mtc-9:-:*:*:*:*:*:*:*not specified by NVDRunning onNokia
  • cpe:2.3:o:nokia:infinera_mtc-9_firmware:*:*:*:*:*:*:*:* Versions 22.1.1.0275 to before 23.0 Vulnerable ·Nokia
  • cpe:2.3:h:nokia:infinera_mtc-9:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Nokia

Remediation

  • Fix · CNA MTC-9 (Infinera) Fixed in R23.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Infinera MTC-9 R23.0

    5 records Highest priority Priority MEDIUM 3 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2025-19891 Improper configuration of SSH service in Infinera MTC-9Priority MEDIUM 49
    • TI-2025-19434 Server Side Request Forgery (SSRF) in the web server of Infinera MTC-9Priority MEDIUM 43
    • TI-2025-19435 Improper input validation in XML Management service in Infinera MTC-9Priority LOW 39
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-27019
  2. 2026-10-03 Alias added: GHSA-g73r-575p-rqj2

References

Advisory 1

  • TI-2025-19891 Improper configuration of SSH service in Infinera MTC-9 CVSS 3.1CRITICAL 9.8
  • TI-2025-19434 Server Side Request Forgery (SSRF) in the web server of Infinera MTC-9 CVSS 3.1HIGH 8.6
  • TI-2025-19435 Improper input validation in XML Management service in Infinera MTC-9 CVSS 3.1HIGH 7.5
  • TI-2025-19436 Improper input validation in Netconf service in Infinera MTC-9 CVSS 3.1MEDIUM 6.5

Sources

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