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TI-2021-18821 Aliases CVE-2021-42535GHSA-8vjc-vph9-rg4j

VISAM VBASE Editor Cross Site Scripting

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

VISAM VBASE version 11.6.0.6 does not neutralize or incorrectly neutralizes user-controllable input before the data is placed in output used as a public-facing webpage.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00485 42nd 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
VISAMVBASE Pro-RT/ Server-RT (Web Remote)version 11.6.0.6—No fix listedCNA
  • VBASE Pro-RT/ Server-RT (Web Remote) VendorVISAM Affected version 11.6.0.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:visam:vbase_web-remote:11.6.0.6:*:*:*:*:*:*:*11.6.0.6VulnerableVISAM
  • cpe:2.3:a:visam:vbase_web-remote:11.6.0.6:*:*:*:*:*:*:* Versions 11.6.0.6 Vulnerable ·VISAM

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42535
  2. 2026-10-03 Alias added: GHSA-8vjc-vph9-rg4j

References

Advisory 1

  • TI-2020-08511 Stack-based buffer overflow in VISAM VBASE Editor CVSS 3.1CRITICAL 9.8
  • TI-2020-05652 Incorrect default permissions in VISAM VBASE Editor CVSS 3.1HIGH 8.8
  • TI-2020-05656 Path traversal in VISAM VBASE Editor CVSS 3.1HIGH 7.5
  • TI-2020-05648 Insecure storage of sensitive information in VISAM VBASE Editor CVSS 3.1HIGH 7.5
  • TI-2021-16020 VISAM VBASE Editor Improper Access Control CVSS 3.1HIGH 7.5
  • TI-2020-08513 Broken or risky cryptographic algorithm in VISAM VBASE Editor CVSS 3.1HIGH 7.8
See all 7 →

Sources

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