CVE-2022-42307Network attack vector

Unauthenticated integrity loss via external XML entities

Published Oct 3, 2022 · Updated Aug 3, 2024

XML external entity injection in Veritas NetBackup Primary Server 10.0.0.1 and earlier allows remote attackers to affect data integrity. DiscoveryService processes attacker-controlled XML while external-entity resolution remains enabled, allowing referenced resources outside the intended XML context to influence processing. No authentication or user interaction is required over the network; Veritas has not disclosed the parser or request format.

CVSS severity5.3
Medium
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

XML external entity injection in Veritas NetBackup Primary Server 10.0.0.1 and earlier allows remote attackers to affect data integrity. DiscoveryService processes attacker-controlled XML while external-entity resolution remains enabled, allowing referenced resources outside the intended XML context to influence processing. No authentication or user interaction is required over the network; Veritas has not disclosed the parser or request format.

The record

CVE
CVE-2022-42307
Published
Oct 3, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-611, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 3, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.3VeritasCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-611Improper Restriction of XML External Entity Reference
T1190Exploit Public-Facing Application

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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