Security readout for executives and security teams
Plain-English summary
This vulnerability affects the Rust rusqlite library, used to interact with SQLite databases. A memory safety bug in custom aggregate function handling could cause unsafe behavior in affected applications. The public sources do not provide a CVSS score, confirmed impact, or evidence of active exploitation.
Executive priority
Treat as a dependency hygiene issue with uncertain severity. Prioritize inventory and upgrades for Rust services using rusqlite, but do not classify as emergency without additional exposure or exploitation evidence.
Technical view
CVE-2021-45714 is a use-after-free in rusqlite create_aggregate_function affecting 0.25.x before 0.25.4 and 0.26.x before 0.26.2. Sources do not provide CVSS, CWE, exploit prerequisites, or detailed impact analysis.
Likely exposure
Exposure is likely limited to Rust applications that depend on affected rusqlite versions, especially code paths registering SQLite aggregate functions through create_aggregate_function. Transitive dependencies may also pull affected versions.
Exploitation context
The source bundle does not indicate known exploitation, weaponized public exploits, or CISA KEV inclusion. The practical risk depends on whether an application exposes affected aggregate-function behavior to untrusted data or plugins.
Researcher notes
Evidence is sparse: the bundle identifies a use-after-free and fixed version boundaries, but omits CVSS, CWE, crash conditions, exploitability, and impact details. Analysis should focus on dependency presence and reachable aggregate-function registration.
Mitigation direction
- Upgrade rusqlite to 0.25.4, 0.26.2, or a later unaffected release.
- Audit direct and transitive Rust dependencies for affected rusqlite versions.
- Prioritize services where untrusted input reaches SQLite extension or aggregate-function logic.
- Check RustSec and vendor guidance for any additional remediation notes.
- Rebuild and redeploy affected applications after dependency updates.
Validation and detection
- Review dependency manifests and lockfiles for rusqlite 0.25.x or 0.26.x affected versions.
- Identify whether application code calls create_aggregate_function.
- Confirm dependency resolution selects a fixed rusqlite version.
- Run regression tests covering SQLite integration and custom function behavior.
- Document services where affected code is unreachable or not present.
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
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CVE-2021-45714 mapping review
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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://rustsec.org/advisories/RUSTSEC-2021-0128.htmlCVE reference · x_refsource_MISC
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/rusqlite/RUSTSEC-2021-0128.mdCVE 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.