PT-2023-9147 · Avira · Avira Prime

Filip Dragovic + 1 · Published 2023-11-01 · Updated 2025-08-14 · CVE-2023-51636

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Avira Prime (affected versions not specified)

Description The issue is related to the Avira Spotlight Service in Avira Prime, which incorrectly handles symbolic links before accessing a file. This can be exploited by a local attacker to escalate privileges and execute arbitrary code in the context of SYSTEM. The attacker must first obtain the ability to execute low-privileged code on the target system. The vulnerability allows an attacker to create a symbolic link and abuse the service to delete a file, leading to privilege escalation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

BDU:2024-04120

CVE-2023-51636

ZDI-24-469

Affected Products

Avira Prime

References · 8

• https://osv.dev/vulnerability/CVE-2023-51636 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-04120 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-24-469 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-51636 · Security Note
• https://t.me/cveNotify/132342 · Telegram Post
• https://t.me/cvenotify/80780 · Telegram Post
• https://twitter.com/CVEnew/status/1793384152315642101 · Twitter Post
• https://vuldb.com/?id.265061 · Note