CVE-2020-27801
HIGHCVSS 7.8/10EPSS 0.36%
Last modified
CVE-2020-27801 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Upx | Upx | 4.0.0 |
References
- https://github.com/upx/upx/issues/394Exploit, Third Party Advisory
- https://github.com/upx/upx/issues/394Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-27801?
A heap-based buffer over-read was discovered in the get_le64 function in bele.h in UPX 4.0.0 via a crafted Mach-O file.
How severe is CVE-2020-27801?
CVE-2020-27801 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27801?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-27801?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST