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TI-2021-16423 Aliases CVE-2021-38990GHSA-xpq3-mh42-vvwh

IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a…

Priority LOW 34Published · Updated

Key facts

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

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

Summary

IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the mount command which could lead to code execution. IBM X-Force ID: 212952.

Why it matters now

EPSS 0.00295 22nd 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
IBMAIX7.1; 7.2—No fix listedCNA
IBMVIOS3.1—No fix listedCNA
  • AIX VendorIBM Affected 7.1; 7.2 Fixed in — No fix listed CNA
  • VIOS VendorIBM Affected 3.1 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:ibm:vios:3.1:*:*:*:*:*:*:*3.1VulnerableIBM
cpe:2.3:o:ibm:aix:7.1:*:*:*:*:*:*:*7.1VulnerableIBM
cpe:2.3:o:ibm:aix:7.2:*:*:*:*:*:*:*7.2VulnerableIBM
  • cpe:2.3:a:ibm:vios:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·IBM
  • cpe:2.3:o:ibm:aix:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·IBM
  • cpe:2.3:o:ibm:aix:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-38990
  2. 2026-10-03 Alias added: GHSA-xpq3-mh42-vvwh

References

Advisory 2

  • TI-2001-00767 Buffer overflow in login in various System V based operating systems allows remote… CVSS 2.0HIGH 10.0
  • TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
  • TI-2009-03523 Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x… CVSS 2.0HIGH 10.0
  • TI-1999-00045 Buffer overflow of rlogin program using TERM environmental variable. CVSS 2.0HIGH 10.0
  • TI-2001-00539 Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows… CVSS 2.0HIGH 10.0
  • TI-1999-00009 Inverse query buffer overflow in BIND 4.9 and BIND 8 Releases. CVSS 2.0HIGH 10.0
See all 544 →

Sources

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