CVE-2020-10658
Description
The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in the ITM application server's WriteImage API. The vulnerability allows an anonymous remote attacker to execute arbitrary code with local administrator privileges. The vulnerability is caused by improper deserialization.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Proofpoint Insider Threat Management Server before 7.9.1 contains an improper deserialization vulnerability in the WriteImage API that allows an unauthenticated remote attacker to execute arbitrary code with local administrator privileges.
Vulnerability
Proofpoint Insider Threat Management Server (formerly ObserveIT Server) versions before 7.9.1 are affected by an improper deserialization vulnerability in the application server's WriteImage API. This allows an unauthenticated remote attacker to execute arbitrary code with local administrator privileges. [2]
Exploitation
An attacker can exploit this vulnerability by sending a specially crafted serialized object to the WriteImage API endpoint. No authentication is required, and the attack can be performed remotely over the network. [2]
Impact
Successful exploitation grants the attacker arbitrary code execution with local administrator privileges, leading to full compromise of the server's confidentiality, integrity, and availability. [2]
Mitigation
Proofpoint released version 7.9.1 which fixes this vulnerability. Customers running earlier versions should update to 7.9.1 or later. No workarounds are mentioned. [2]
AI Insight generated on May 27, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
2- Proofpoint/Insider Threat Management Serverdescription
- Range: <7.9.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- www.proofpoint.com/us/blogmitrex_refsource_MISC
- www.proofpoint.com/us/security/security-advisories/pfpt-sa-2020-0003mitrex_refsource_CONFIRM
News mentions
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