Security readout for executives and security teams
Plain-English summary
CVE-2021-28411 is reported as a remote privilege-escalation flaw in lerry903 RuoYi 3.4.0. The issue is tied to remember-me cookie identity handling. Public data does not provide severity, CVSS, patch status, or exploitation evidence, so urgency depends on whether this specific software and version are deployed.
Executive priority
Prioritize identification first. If RuoYi 3.4.0 is present in a production or internet-facing system, treat this as potentially serious because the reported impact is privilege escalation, but avoid assuming active exploitation or a known patch from current evidence.
Technical view
The CVE describes an issue in getRememberedSerializedIdentity within CookieRememberMeManager in lerry903 RuoYi 3.4.0 that may let remote attackers escalate privileges. The available bundle does not specify the vulnerable logic, affected configurations, CWE, exploit preconditions, or a fixed version.
Likely exposure
Exposure appears limited to environments running lerry903 RuoYi version 3.4.0, especially where remember-me cookie functionality is reachable. The CVE affected-product metadata is incomplete, so confirm against deployed source, forks, and vendor project history.
Exploitation context
The CVE is not listed as KEV in the provided bundle. No cited source in the bundle states active exploitation, public exploit availability, or observed attacks. Treat exploitation status as unconfirmed.
Researcher notes
Source evidence is sparse. The record names the function, class, product, version, and impact, but lacks CVSS, CWE, root cause, exploit conditions, and fixed release details. Validation should focus on confirming deployed code lineage and authentication exposure.
Mitigation direction
- Check the upstream issue and repository for vendor fix or upgrade guidance.
- Inventory any lerry903/RuoYi deployments and prioritize version confirmation.
- Assess whether remember-me functionality is exposed in production authentication flows.
- Increase monitoring for unexpected authentication, session, or privilege changes.
- Use compensating access controls while awaiting confirmed vendor remediation.
Validation and detection
- Confirm whether lerry903/RuoYi 3.4.0 is deployed or embedded in forks.
- Review authentication code for CookieRememberMeManager and getRememberedSerializedIdentity usage.
- Determine whether remember-me cookies are enabled on internet-facing instances.
- Check recent account-role changes and anomalous session activity.
- Track the GitHub issue for remediation details or maintainer clarification.
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-2021-28411 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://github.com/lerry903/RuoYi/issues/20CVE reference
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.