CVE-2022-45121

Information disclosure via FB.XML external entity expansion

Published Mar 21, 2023 · Updated Jan 17, 2025

XXE in FB.XML parsing in VISAM GmbH VBASE before 11.7.5 allows remote attackers to read sensitive data through a crafted file. The XML parser resolves an external-entity URI from the document and embeds the retrieved contents into the XML for further processing. A valid user must visit a malicious page or open the file, and disclosure is limited to information accessible to the current process.

CVSS severity5.5
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XXE in FB.XML parsing in VISAM GmbH VBASE before 11.7.5 allows remote attackers to read sensitive data through a crafted file. The XML parser resolves an external-entity URI from the document and embeds the retrieved contents into the XML for further processing. A valid user must visit a malicious page or open the file, and disclosure is limited to information accessible to the current process.

The record

CVE
CVE-2022-45121
Published
Mar 21, 2023
Updated
Jan 17, 2025
Vendor
VISAM GmbH
Product
VBASE
Classifications
CWE-611, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 21, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 17, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <11.7.5

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

VISAM GmbH · VBASEversion=0 <11.7.5

Published CVSS scores

5.5NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-611Improper Restriction of XML External Entity Reference
T1204.002User Execution: Malicious File

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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