CVE-2021-1724
No known exploitation. EPSS puts it in the 69th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Microsoft Dynamics Business Central Cross-site Scripting Vulnerability
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
1.3% chance of exploitation activity in the next 30 days, which ranks it in the 69th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 1365 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- Microsoft Dynamics NAV 2018Enterprise Software / erp
- Microsoft Dynamics 365 Business Central 2020 Release Wave 1Enterprise Software / itsm-monitoring
- Dynamics 365 Business Central 2019 Release Wave 2 (On-Premise)Enterprise Software / itsm-monitoring
- Microsoft Dynamics NAV 2017Operating Systems / windows
- Microsoft Dynamics 365 Business Central 2020 Release Wave 2Enterprise Software / itsm-monitoring
- Microsoft Dynamics NAV 2015Operating Systems / windows
- Microsoft Dynamics NAV 2016Operating Systems / windows
- dynamics 365 business centralEnterprise Software / erp
And 3 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
Scored 6.1 by NVD.
How it is reached
- Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
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