Security readout for executives and security teams
Plain-English summary
CVE-2020-17060 is a Microsoft SharePoint spoofing issue. An authenticated attacker could trick a user into interacting with crafted SharePoint content, potentially affecting confidentiality and integrity. The public source bundle rates it medium severity, with no CISA KEV listing and no provided evidence of active exploitation.
Executive priority
Treat this as routine but necessary patch management for SharePoint. Prioritize internet-facing or broadly accessible farms first, then internal farms. It is not currently supported as an emergency exploited vulnerability by the provided sources.
Technical view
The CVSS 3.1 vector is 5.4: network-reachable, low complexity, low privileges required, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact. Affected products listed are SharePoint Server 2010 SP2, 2013 SP1, 2016 Enterprise, and 2019.
Likely exposure
Organizations running affected on-premises SharePoint versions are the likely exposure group, especially where authenticated users or partners can access SharePoint sites. Exposure depends on exact build and whether Microsoft’s advisory updates have been applied.
Exploitation context
The provided sources do not show active exploitation, public exploit availability, or KEV inclusion. The issue requires some authenticated access and user interaction, which lowers urgency compared with unauthenticated remote code execution but still matters for collaboration platforms.
Researcher notes
Evidence is limited to the CVE record, CVE List data, and Microsoft advisory reference. No CWE, exploit details, or specific KB identifiers were included in the bundle. Avoid assuming affected configurations beyond the listed SharePoint products and versions.
Mitigation direction
- Review Microsoft’s advisory for the applicable SharePoint security updates.
- Apply vendor-provided updates to affected SharePoint farms after normal change testing.
- Restrict SharePoint access to trusted users and networks where feasible.
- Review user permissions and reduce unnecessary site or content authoring rights.
- Monitor Microsoft guidance for any revised remediation or known-issue notes.
Validation and detection
- Inventory all on-premises SharePoint 2010, 2013, 2016, and 2019 deployments.
- Compare installed SharePoint build levels against Microsoft’s CVE-2020-17060 advisory.
- Confirm whether affected farms are reachable by external users or partners.
- Verify update installation on every SharePoint server in each farm.
- Check whether compensating access controls limit low-privileged authenticated users.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2020-17060 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17060CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.