CVE-2020-27280 Use after free in ISPSoft
A use-after-free vulnerability in ISPSoft allows attackers to execute arbitrary code via a specially crafted project file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-27280?
CVE-2020-27280 is a high-severity use after free vulnerability in ISPSoft, published on 26 Jan 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A use after free issue has been identified in the way ISPSoft(v3.12 and prior) processes project files, allowing an attacker to craft a special project file that may allow arbitrary code execution.
Weakness: CWE-416
Which versions are affected by CVE-2020-27280?
It affects 1 product.
Products include Deltaww Ispsoft.
How do I fix CVE-2020-27280?
No fix has been published for CVE-2020-27280 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-27280 being exploited?
There is no known exploitation of CVE-2020-27280 in the wild and no public exploit code.
Other vulnerabilities in ISPSoft
- CVE-2023-5131 Delta Electronics ISPSoft Heap Buffer-Overflow
- CVE-2025-22882 ISPSoft File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
- CVE-2025-22883 ISPSoft File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
- CVE-2025-22884 ISPSoft File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
- CVE-2025-4124 ISPSoft File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Sources
Also known as GHSA-2wp4-vwq7-x2x6.