Security readout for executives and security teams
Plain-English summary
Acronis Cyber Protect 15 had a reflected cross-site scripting issue on its login page before build 27009. An attacker could potentially abuse a crafted link against users who access the login page. The supplied sources do not provide severity scoring, exploit activity, or detailed impact.
Executive priority
Prioritize verification of Acronis Cyber Protect 15 build levels. If any instance is below build 27009, schedule an update promptly, especially for externally reachable login pages. Business urgency is limited by missing severity and exploitation evidence.
Technical view
CVE-2021-38087 is a reflected XSS vulnerability affecting the Acronis Cyber Protect 15 login page prior to build 27009. The record does not include CVSS, CWE, payload specifics, authentication requirements, or affected platform details. Treat exposure as version-dependent until verified against deployed builds.
Likely exposure
Exposure is limited to Acronis Cyber Protect 15 installations running builds earlier than 27009. Internet-facing login pages would be more reachable, but the supplied sources do not confirm deployment models, CPEs, or affected environments.
Exploitation context
CISA KEV status is false, and the supplied source bundle does not state active exploitation or public weaponization. Reflected XSS typically depends on user interaction, such as visiting a crafted URL, but no exploit mechanics are provided here.
Researcher notes
The public record is sparse. It identifies product, vulnerability class, location, and fixed build threshold, but lacks CVSS, CWE, exploit prerequisites, affected CPEs, and technical detail. Do not assume broader Acronis product impact without vendor confirmation.
Mitigation direction
- Upgrade Acronis Cyber Protect 15 to build 27009 or later.
- Review Acronis advisory KB 68564 for vendor-specific remediation guidance.
- Restrict administrative login page exposure where operationally feasible.
- Monitor vendor channels for updated severity or mitigation information.
Validation and detection
- Inventory Acronis Cyber Protect 15 deployments and record build numbers.
- Confirm no deployment runs a build earlier than 27009.
- Identify whether login pages are exposed to the internet or untrusted networks.
- Check security monitoring for suspicious login-page URL activity.
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-2021-38087 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.acronis.com/content/68564CVE 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.