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TI-2022-26380 Aliases CVE-2022-50927GHSA-w5q8-rwwv-x78m

Cyclades Serial Console Server 3.3.0 - Local Privilege Escalation

Priority LOW 38CWE-266Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266.

Summary

Cyclades Serial Console Server 3.3.0 contains a local privilege escalation vulnerability due to overly permissive sudo privileges for the admin user and admin group. Attackers can exploit the default user configuration to gain root access by manipulating system binaries and leveraging unrestricted sudo permissions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00161 5th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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
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
VertivCyclades Serial Console Server1.0.0 - 3.3.0—No fix listedCNA
  • Cyclades Serial Console Server VendorVertiv Affected 1.0.0 - 3.3.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-50927
  2. 2026-10-03 Alias added: GHSA-w5q8-rwwv-x78m

References

  • TI-2026-80409 Command injection in Vertiv Avocent ACS8000 wsserver daemon CVSS 3.1CRITICAL 9.8
  • TI-2025-29133 Vertiv Liebert RDU101 and UNITY Authentication Bypass Using an Alternate Path or Channel CVSS 4.0CRITICAL 9.3
  • TI-2025-27590 Vertiv Liebert RDU101 and UNITY Stack-based Buffer Overflow CVSS 4.0CRITICAL 9.3
  • TI-2019-06942 The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to arbitrary remote code execution CVSS 3.1HIGH 8.3
  • TI-2018-09287 Emerson Liebert IntelliSlot Web Card devices allow remote attackers to reconfigure access… CVSS 3.1HIGH 7.5
  • TI-2018-07144 Geist WatchDog Console 3.2.2 uses a weak ACL for the C:\ProgramData\WatchDog Console… CVSS 3.1HIGH 7.8
See all 11 →

Sources