Security readout for executives and security teams
Plain-English summary
CVE-2021-45718 is a memory-safety flaw in the Rust rusqlite crate. Applications using affected 0.25.x or 0.26.x releases may be at risk when rollback_hook is used. The sources do not provide CVSS, confirmed exploitation, or detailed impact evidence.
Executive priority
Prioritize remediation where rusqlite is used in production systems or embedded products. Urgency is moderate because this is memory-safety related, but exploitation evidence and impact details are incomplete.
Technical view
The issue is a use-after-free in rusqlite rollback_hook. Affected ranges are 0.25.x before 0.25.4 and 0.26.x before 0.26.2. The available source bundle does not name a CWE, CVSS vector, exploitability conditions beyond the vulnerable API, or downstream affected applications.
Likely exposure
Exposure is most likely in Rust services, tools, or products that depend on rusqlite in the affected version ranges, especially where rollback_hook is registered or reachable.
Exploitation context
No active exploitation is reported in the provided sources, and the CVE is not listed as KEV. Treat exploit status as unconfirmed.
Researcher notes
The strongest evidence is RustSec and CVE metadata. Analysis should focus on rollback_hook call sites, dependency reachability, and whether affected versions are compiled into shipped artifacts. Avoid assuming remote exploitability without application-specific evidence.
Mitigation direction
- Upgrade rusqlite 0.25.x to 0.25.4 or later.
- Upgrade rusqlite 0.26.x to 0.26.2 or later.
- Review vendor guidance for pinned or transitive rusqlite dependencies.
- Run regression tests around SQLite transaction rollback behavior.
Validation and detection
- Inspect Cargo.lock for rusqlite 0.25.x or 0.26.x vulnerable versions.
- Check dependency trees for transitive rusqlite usage.
- Search application code for rollback_hook usage.
- Confirm production builds use the remediated crate version.
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-2021-45718 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://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.