Microsoft .NET Framework 1.1, 2.0, 3.0, 3.5, 3.5.1, 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 5.7 and .NET Core 1.0.
Microsoft .NET Framework 1.1, 2.0, 3.0, 3.5, 3.5.1, 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 5.7 and .NET Core 1.0. 1.1 and 2.0 allow a denial of service vulnerability due to the way XML documents are processed, aka ".NET and .NET Core Denial Of Service Vulnerability". This CVE is unique from CVE-2018-0765.
- Published
- Jan 9, 2018
- Updated
- Jun 16, 2026
- EPSS
- 8.9% · 95th percentile
- CWE
- —
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Report tools
Action score
33
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 3 / 30 · 8.9%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| microsoft | .net core | cpe:2.3:a:microsoft:.net_core |
| microsoft | powershell core | cpe:2.3:a:microsoft:powershell_core |
| microsoft | .net framework | cpe:2.3:a:microsoft:.net_framework |
| microsoft | windows server 2008 | cpe:2.3:o:microsoft:windows_server_2008 |
| microsoft | windows 10 | cpe:2.3:o:microsoft:windows_10 |
| microsoft | windows 8.1 | cpe:2.3:o:microsoft:windows_8.1 |
| microsoft | windows server 2012 | cpe:2.3:o:microsoft:windows_server_2012 |
| microsoft | windows server 2016 | cpe:2.3:o:microsoft:windows_server_2016 |
| microsoft | windows 7 | cpe:2.3:o:microsoft:windows_7 |
| microsoft | windows rt 8.1 | cpe:2.3:o:microsoft:windows_rt_8.1 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- microsoft .net core1.0
- microsoft .net core1.1
- microsoft .net core2.0
- microsoft .net framework2.0
- microsoft .net framework3.0
- microsoft .net framework3.5
- microsoft .net framework3.5.1
- microsoft .net framework4.5.2
- microsoft .net framework4.6
- microsoft .net framework4.6.1
- microsoft .net framework4.6.2
- microsoft .net framework4.7
- microsoft .net framework4.7.1
- microsoft powershell core6.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (microsoft). Independent of NVD's CPE analysis and usually ahead of it.
Microsoft Corporation .NET Framework and .NET Core
- Microsoft .NET Framework 1.1, 2.0, 3.0, 3.5, 3.5.1, 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 5.7 and .NET Core 1.0. 1.1 and 2.0affected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| NuGet | System.Security.Cryptography.Xml | before 4.4.2 | 4.4.2 |
| Red Hat:rhel_dotnet:1.0::el7 | rh-dotnetcore10-dotnetcore | before 0:1.0.9-1.el7 | 0:1.0.9-1.el7 |
| Red Hat:rhel_dotnet:1.0::el7 | rh-dotnetcore10-dotnetcore-debuginfo | before 0:1.0.9-1.el7 | 0:1.0.9-1.el7 |
| Red Hat:rhel_dotnet:1.1::el7 | rh-dotnetcore11-dotnetcore | before 0:1.1.6-1.el7 | 0:1.1.6-1.el7 |
| Red Hat:rhel_dotnet:1.1::el7 | rh-dotnetcore11-dotnetcore-debuginfo | before 0:1.1.6-1.el7 | 0:1.1.6-1.el7 |
| Red Hat:rhel_dotnet:2.0::el7 | rh-dotnet20-dotnet | before 0:2.0.5-1.el7 | 0:2.0.5-1.el7 |
| Red Hat:rhel_dotnet:2.0::el7 | rh-dotnet20-dotnet-debuginfo | before 0:2.0.5-1.el7 | 0:2.0.5-1.el7 |
| Red Hat:rhel_dotnet:2.0::el7 | rh-dotnet20-dotnet-host | before 0:2.0.5-1.el7 | 0:2.0.5-1.el7 |
| Red Hat:rhel_dotnet:2.0::el7 | rh-dotnet20-dotnet-runtime-2.0 | before 0:2.0.5-1.el7 | 0:2.0.5-1.el7 |
| Red Hat:rhel_dotnet:2.0::el7 | rh-dotnet20-dotnet-sdk-2.1 | before 0:2.1.4-1.el7 | 0:2.1.4-1.el7 |
Same product
microsoft: all recordsOther highest-scoring records for the same primary product.
- CVE-2020-1147A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check theKEV89Now
- CVE-2019-1301A denial of service vulnerability exists when .NET Core improperly handles web requests, aka '.NET Core Denial of Service Vulnerability'.32Monitor
- CVE-2019-0820A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings, aka '.NET Framework and .NET Co32Monitor
- CVE-2018-8409A denial of service vulnerability exists when System.IO.Pipelines improperly handles requests, aka "System.IO.Pipelines Denial of Service." 32Monitor
- CVE-2018-0765A denial of service vulnerability exists when .NET and .NET Core improperly process XML documents, aka ".NET and .NET Core Denial of Service32Monitor
- CVE-2019-0981A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests, aka '.Net Framework and .Net Core 31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| NuGet:System.Security.Cryptography.Xml | 4.4.2 | Package registry (OSV) |
| red hat:rh-dotnet20-dotnet | 0:2.0.5-1.el7 · Red Hat:rhel_dotnet:2.0::el7 | Package registry (OSV) |
| red hat:rh-dotnet20-dotnet-debuginfo | 0:2.0.5-1.el7 · Red Hat:rhel_dotnet:2.0::el7 | Package registry (OSV) |
| red hat:rh-dotnet20-dotnet-host | 0:2.0.5-1.el7 · Red Hat:rhel_dotnet:2.0::el7 | Package registry (OSV) |
| red hat:rh-dotnet20-dotnet-runtime-2.0 | 0:2.0.5-1.el7 · Red Hat:rhel_dotnet:2.0::el7 | Package registry (OSV) |
| red hat:rh-dotnet20-dotnet-sdk-2.1 | 0:2.1.4-1.el7 · Red Hat:rhel_dotnet:2.0::el7 | Package registry (OSV) |
| red hat:rh-dotnetcore10-dotnetcore | 0:1.0.9-1.el7 · Red Hat:rhel_dotnet:1.0::el7 | Package registry (OSV) |
| red hat:rh-dotnetcore10-dotnetcore-debuginfo | 0:1.0.9-1.el7 · Red Hat:rhel_dotnet:1.0::el7 | Package registry (OSV) |
| red hat:rh-dotnetcore11-dotnetcore | 0:1.1.6-1.el7 · Red Hat:rhel_dotnet:1.1::el7 | Package registry (OSV) |
| red hat:rh-dotnetcore11-dotnetcore-debuginfo | 0:1.1.6-1.el7 · Red Hat:rhel_dotnet:1.1::el7 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
—
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- www.securityfocus.com/bid/102387
- www.securitytracker.com/id/1040152
- access.redhat.com/errata/RHSA-2018:0379
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0764
Vendor advisories and official records. Exploit/PoC links are deliberately left out.