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CVE-2023-4828

ITM Server Communications Hijack

6.4 Medium

CVE-2023-4828 is a medium vulnerability (CVSS 6.4) in Proofpoint Insider Threat Management, published September 13, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. No source names a fixed version.

An improper check for an exceptional condition in the Insider Threat Management (ITM) Server could be used by an attacker to change the server's configuration of any already-registered agent so that the agent sends all future communications to an attacker-chosen URL. This could result in disclosure of sensitive data events from the agent about the personally identifiable information (PII) and intellectual property it monitors, and all such data could be altered or deleted before reaching the ITM Server. An attacker must first successfully obtain valid agent credentials and agent hostname. All versions prior to 7.14.3.69 are affected.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
Low
Availability
Low

Exploit likelihood

0.36%Up 0.3 points since Sep 14, 2023
90%50%10%1%

What each source reports

CVE List Score used 6.4

ITM Server Communications Hijack

An improper check for an exceptional condition in the Insider Threat Management (ITM) Server could be used by an attacker to change the server's configuration of any already-registered agent so that the agent sends all future communications to an attacker-chosen URL. This could result in disclosure of sensitive data events from the agent about the personally identifiable information (PII) and intellectual property it monitors, and all such data could be altered or deleted before reaching the ITM Server. An attacker must first successfully obtain valid agent credentials and agent hostname. All versions prior to 7.14.3.69 are affected.

Record
CVE-2023-4828
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
Weakness
CWE-754
Updated
2026-11-02
EUVDEUVD-2023-54670 6.4

An improper check for an exceptional condition in the Insider Threat Management (ITM) Server could be used by an attacker to change the server's configuration of any already-registered agent so that the agent sends all future communications to an attacker-chosen URL. This could result in disclosure of sensitive data events from the agent about the personally identifiable information (PII) and intellectual property it monitors, and all such data could be altered or deleted before reaching the ITM Server. An attacker must first successfully obtain valid agent credentials and agent hostname. All versions prior to 7.14.3.69 are affected.

Record
EUVD-2023-54670
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
Updated
2026-11-03
GitHub AdvisoriesGHSA-2qp5-3jc8-pprj 8.8

An improper check for an exceptional condition in the Insider Threat Management (ITM) Server...

An improper check for an exceptional condition in the Insider Threat Management (ITM) Server could be used by an attacker to change the configuration of any already-registered agent so that all future agent communications are sent to an attacker-chosen URL. An attacker must first successfully obtain valid agent credentials and target agent hostname. All versions prior to 7.14.3.69 are affected.

Record
GHSA-2qp5-3jc8-pprj
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-754
Updated
2026-11-02
NVD 6.4

An improper check for an exceptional condition in the Insider Threat Management (ITM) Server could be used by an attacker to change the server's configuration of any already-registered agent so that the agent sends all future communications to an attacker-chosen URL. This could result in disclosure of sensitive data events from the agent about the personally identifiable information (PII) and intellectual property it monitors, and all such data could be altered or deleted before reaching the ITM Server. An attacker must first successfully obtain valid agent credentials and agent hostname. All versions prior to 7.14.3.69 are affected.

Record
CVE-2023-4828
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
CVSS 3.1
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-754
Updated
2026-11-02

Affected products

History

History
WhenChangedSources
2026-11-03aliases, publishedEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD

References

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