Buffer overflow in Microsoft Asp.net Core
CVE-2020-0603
A remote code execution vulnerability exists in ASP.NET Core software when the software fails to handle objects in memory.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka 'ASP.NET Core Remote Code Execution Vulnerability'.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.210 (97.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.210 · newest: 0.210 · change: 0.000
Affected products
- Microsoft Asp.net Core — versions 2.1, 3.0, 3.1
- Microsoft Asp.net Core — versions 2.1, 3.0, 3.1
- Red Hat Enterprise Linux — versions 8.0
- Red Hat Enterprise Linux Eus — versions 8.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0603 (Patch, Vendor Advisory)
- access.redhat.com/errata/RHSA-2020:0130 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2020:0134 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-0603?
- CVE-2020-0603 is a high-severity vulnerability in Microsoft Asp.net Core, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-01-14.
- How severe is CVE-2020-0603?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-0603 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.