CVE-2023-51636: Avira Prime Link Following Local Privilege Escalation Vulnerability

Q: How do I fix CVE-2023-51636?

avira prime: upgrade to 6.27.19. Exact commands for each OS are on this page.

Q: Is CVE-2023-51636 being exploited?

CVE-2023-51636 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-51636 affect?

CVE-2023-51636 affects avira prime. Severity is high (CVSS 7.8). Avira Prime Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avira Prime. An attacker must first obtain the ability to execute low-privile

This month

HIGH 7.8UPGRADE

CVE-2023-51636 is a high-severity flaw (CVSS 7.8) affecting avira prime. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Avira Prime Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avira Prime. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avira Spotlight Service. By creating a symbolic link, an attacker can abuse the service to delete a fil

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 39%)
CISA exploited list	No
Weakness	CWE-59
Published	2024-05-22
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: avira

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-05-22 20:15 UTCPublished CVE record published
2026-06-17 06:41 UTCUpdated Record last modified

avira avira prime UPGRADE

Affected: < 6.27.19

Fixed in: 6.27.19

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy avira-prime || rpm -q avira-prime || avira-prime --version

2. UPGRADE to 6.27.19 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade avira-prime

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade avira-prime

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-51636?

avira prime: upgrade to 6.27.19. Exact commands for each OS are on this page.

Is CVE-2023-51636 being exploited?

CVE-2023-51636 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-51636 affect?

CVE-2023-51636 affects avira prime. Severity is high (CVSS 7.8). Avira Prime Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avira Prime. An attacker must first obtain the ability to execute low-privile

How urgent is CVE-2023-51636?

Priority 43/100. High severity

References

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