5.3

CVE-2017-0256: microsoft corporation asp.net core Improper Input Validation

CVSS: 5.3v3.0MediumModified
AliasesGHSA-j8f4-2w4p-mhjc
Published 12-05-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-0256 is a medium (CVSS 5.3) Improper Input Validation vulnerability in microsoft corporation asp.net core. EPSS estimates a 3.54% chance of exploitation in the next 30 days, higher than 89.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
3.54%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-05-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A spoofing vulnerability exists when the ASP.NET Core fails to properly sanitize web requests.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.54%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.54% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.54%

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

NuGet19 products
  • Microsoft.AspNetCore.Mvc≥ 1.0.0, < 1.0.4 | ≥ 1.1.0, < 1.1.3
  • Microsoft.AspNetCore.Mvc.Abstractions≥ 1.0.0, < 1.0.4 | ≥ 1.1.0, < 1.1.3
  • Microsoft.AspNetCore.Mvc.ApiExplorer≥ 1.0.0, < 1.0.4 | ≥ 1.1.0, < 1.1.3
  • Microsoft.AspNetCore.Mvc.Core≥ 1.0.0, < 1.0.4 | ≥ 1.1.0, < 1.1.3
  • Microsoft.AspNetCore.Mvc.Cors≥ 1.0.0, < 1.0.4 | ≥ 1.1.0, < 1.1.3
Microsoft18 products
Microsoft corporation1 product

3 vendors · 38 products

References

3 links