Symantec Endpoint Detection & Response Security Update

Endpoint Detection and Response

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18 November 2020

18 November 2020





Symantec – A Division of Broadcom has released an update to address an issue that was discovered in the Symantec Endpoint Detection & Response (SEDR) product.

Affected Product(s)

Symantec Endpoint Detection & Response (SEDR)
CVE Affected Version Remediation
CVE-2020-12593 Prior to 4.5 Upgrade to 4.5


Issue Details

Severity / CVSS v3.x: Medium / 4.6 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/CR:L
References: NVD: CVE-2020-12593
Impact: Information Disclosure
Description: Symantec Endpoint Detection & Response, prior to 4.5, may be susceptible to an information disclosure issue, which is a type of vulnerability that could potentially allow unauthorized access to data.



A Symantec Endpoint Detection & Response update, version 4.5, has been made available. Note that the latest product releases are available to customers through normal support channels.

Symantec recommends the following measures to reduce risk of attack:

  • Restrict access to administrative or management systems to authorized privileged users.
  • Restrict remote access to trusted/authorized systems only.
  • Run under the principle of least privilege, where possible, to limit the impact of potential exploit.
  • Keep all operating systems and applications current with vendor patches.
  • Follow a multi-layered approach to security. At a minimum, run both firewall and anti-malware applications to provide multiple points of detection and protection for both inbound and outbound threats.
  • Deploy network and host-based intrusion detection systems to monitor network traffic for signs of anomalous or suspicious activity. This may aid in the detection of attacks or malicious activity related to the exploitation of latent vulnerabilities.


  • CVE-2020-12593: Bencherchali Nasreddine, ELIT Security Team (DSSD) | <>