9.3

CVE-2020-0603: microsoft asp.net_core Out-of-bounds Write

CVSS: 9.3v2.0HighModified
AliasesGHSA-655q-9gvg-q4cmBIT-aspnet-core-2020-0603
Published 14-01-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-0603 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in microsoft asp.net_core. EPSS estimates a 21.01% chance of exploitation in the next 30 days, higher than 97.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
21.01%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
RHSA-2020:0130RHSA-2020:0134

Timeline

  1. 14-01-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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'.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

21.01%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 21.01% on 19-09-2026

19-09-202619-10-2026
EPSS score
21.01%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

NuGet12 products
  • Microsoft.AspNetCore.All≥ 2.1.0, < 2.1.15
  • Microsoft.AspNetCore.App≥ 3.1.0, < 3.1.1 | ≥ 3.0.0, < 3.0.1 | ≥ 2.1.0, < 2.1.15
  • Microsoft.AspNetCore.App.Runtime.linux-arm≥ 3.1.0, < 3.1.1
  • Microsoft.AspNetCore.App.Runtime.linux-arm64≥ 3.1.0, < 3.1.1
  • Microsoft.AspNetCore.App.Runtime.linux-musl-arm64≥ 3.1.0, < 3.1.1
Redhat2 products
Microsoft1 product

3 vendors · 15 products

References

6 links