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CVE-2024-26291: Authenticated Arbitrary File Read affecting Avid NEXIS

• Severity: high (CVSS 8.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-07-14 · updated 2026-06-17
• Weakness: CWE-285

Description

An Unauthenticated Arbitrary File Read vulnerability affects the Agent when installed on a system. The parameter filename does not validate the path thus allowing users to read arbitrary files. As the application runs with the highest privileges (root/NT_AUTHORITY SYSTEM) by default attackers are able to obtain sensitive information. This issue affects Avid NEXIS E-series: before 2025.5.1; Avid NEXIS F-series: before 2025.5.1; Avid NEXIS PRO+: before 2025.5.1; System Director Appliance (SDA+): before 2025.5.1.

Affected products

• Avid NEXIS E-series: before 2025.5.1 — fixed in 2025.5.1
• Avid NEXIS F-series: before 2025.5.1 — fixed in 2025.5.1
• Avid NEXIS PRO+: before 2025.5.1 — fixed in 2025.5.1
• Avid System Director Appliance (SDA+): before 2025.5.1 — fixed in 2025.5.1

How to fix

Upgrade to a fixed version: Avid NEXIS E-series 2025.5.1; Avid NEXIS F-series 2025.5.1; Avid NEXIS PRO+ 2025.5.1; Avid System Director Appliance (SDA+) 2025.5.1. Check the vendor advisory for mitigations.

References

• https://raeph123.github.io/BlogPosts/Avid_Nexis/Advisory_Avid_Nexus_Agent_Multiple_Vulnerabilities_en.html
• https://resources.avid.com/SupportFiles/attach/AvidNEXIS/AvidNEXIS_2025_5_1_ReadMe.pdf

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