CVE-2021-42537 | BDVDB-2026-181049 Detail

VISAMVBASE Pro-RT/ Server-RT (Web Remote)

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-611 Improper Restriction of XML External Entity Reference

References#

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

Exploit#

No public exploit known

History#

Version 12022-07-27Record published in the CVE List.
Version 22025-04-17Most recent update recorded in the CVE List.

Published

Published: 2022-07-27
Last modified: 2025-04-17

Vendor information

Vendor: VISAM
Product: VBASE Pro-RT/ Server-RT (Web Remote)

All VISAM vulnerabilities

Score

5.9 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 44.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

XML External Entity

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
version 11.6.0.6
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.9 Medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).