CVE-2023-53949 AspEmail 5.6.0.2 Local Privilege Escalation via Binary Permission Vulnerability
Local attackers can escalate privileges by replacing the service executable due to insecure binary permissions in the AspEmail software.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-53949?
CVE-2023-53949 is a high-severity vulnerability in AspEmail, published on 19 Dec 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
AspEmail 5.6.0.2 contains a binary permission vulnerability that allows local users to escalate privileges through the Persits Software EmailAgent service. Attackers can exploit full write permissions in the BIN directory to replace the service executable and gain elevated system access.
Weakness: CWE-732
Which versions are affected by CVE-2023-53949?
How do I fix CVE-2023-53949?
No fix has been published for CVE-2023-53949 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-53949 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53949 exists.
Sources
Also known as GHSA-9crh-xp9v-855p.