Security readout for executives and security teams
Plain-English summary
CVE-2025-70030 is a denial-of-service weakness in Sunbird-Ed SunbirdEd-portal v1.13.4. A vulnerable regular expression can take excessive processing time, allowing an unauthenticated network attacker to degrade service availability. The sources do not identify data theft or integrity impact.
Executive priority
Prioritize this as a high availability risk for affected public portals. It is not currently evidenced as exploited, but unauthenticated network reachability and high availability impact justify near-term inventory and mitigation.
Technical view
The CVE maps to CWE-1333, Inefficient Regular Expression Complexity. CVSS 3.1 is 7.5: network reachable, low complexity, no privileges, no user interaction, unchanged scope, and high availability impact only. Affected product metadata is sparse, but the description names SunbirdEd-portal v1.13.4.
Likely exposure
Organizations running SunbirdEd-portal v1.13.4, especially internet-facing or unauthenticated portal instances, should treat exposure as plausible. The CVE record’s affected vendor/product fields are incomplete, so asset validation is required.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The risk is availability loss from expensive regex processing over a network-accessible path; exact triggering input and vulnerable code path are not established in the bundle.
Researcher notes
Key gaps are the missing structured affected-product metadata and absent official fix details in the supplied bundle. Do not assume other Sunbird components or versions are affected without vendor confirmation.
Mitigation direction
Inventory SunbirdEd-portal deployments and identify any v1.13.4 instances.
Check Sunbird-Ed project guidance for a fixed version or official workaround.
Apply vendor-provided updates when available and test portal availability afterward.
Use rate limiting and request timeouts on exposed portal endpoints.
Restrict unnecessary public access until vendor remediation is confirmed.
Validation and detection
Confirm deployed SunbirdEd-portal version from release metadata or build artifacts.
Review CVE references and vendor repository for remediation commits or advisories.
Check logs for repeated requests correlated with CPU spikes or request timeouts.
Validate reverse proxy timeout and rate-limit controls on portal routes.
Track whether the CVE gains KEV status or vendor patch details.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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.
cwe · low confidence lookup
CWE-1333: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
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.
We 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.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-1333 · source CWE mapping
Inefficient Regular Expression Complexity
Inefficient Regular Expression Complexity represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.