What’s Vulnerable › Vulnerabilities

CVE-2021-42537: VISAM VBASE Editor Improper Restriction of XML

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-07-27 · updated 2026-06-17
• Weakness: CWE-611

Description

VISAM VBASE version 11.6.0.6 processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

Affected products

• VISAM VBASE Pro-RT/ Server-RT (Web Remote): 11.6.0.6

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-21-308-01
• https://www.cisa.gov/uscert/ics/advisories/icsa-21-308-01

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