CVE-2021-22501Network attack vector

Authenticated information disclosure via external XML entities

Published Dec 19, 2024 · Updated Dec 20, 2024

XXE in OpenText Operations Bridge Manager allows remote authenticated users to disclose confidential information through crafted XML input. The public CNA record identifies external-entity handling but does not disclose the parser, endpoint, or incorrect XML-processing operation. Network access and a low-privileged account are required; affected releases are 2017.05, 2017.11, 2018.05, 2018.11, 2019.05, 2019.11, 2020.05, and 2020.10.

CVSS severity5.3
Medium
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XXE in OpenText Operations Bridge Manager allows remote authenticated users to disclose confidential information through crafted XML input. The public CNA record identifies external-entity handling but does not disclose the parser, endpoint, or incorrect XML-processing operation. Network access and a low-privileged account are required; affected releases are 2017.05, 2017.11, 2018.05, 2018.11, 2019.05, 2019.11, 2020.05, and 2020.10.

The record

CVE
CVE-2021-22501
Published
Dec 19, 2024
Updated
Dec 20, 2024
Vendor
OpenText
Product
Operations Bridge Manager
Classifications
CWE-611, CAPEC-153
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 19, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 20, 2024Record 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=2017.05
  2. Affected versionversion=2017.11
  3. Affected versionversion=2018.05
  4. Affected versionversion=2018.11
  5. Affected versionversion=2019.05
  6. Affected versionversion=2019.11
  7. Affected versionversion=2020.05
  8. Affected versionversion=2020.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

OpenText · Operations Bridge Managerversion=2017.05; version=2017.11; version=2018.05; version=2018.11; version=2019.05; version=2019.11; version=2020.05; version=2020.10

Published CVSS scores

5.3OpenTextCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/S:N/AU:Y/R:A/V:C/RE:M/U:Amber

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-611Improper Restriction of XML External Entity Reference
CAPEC-153Input Data Manipulation

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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