Security readout for executives and security teams
Plain-English summary
This CVE describes a crash condition in YottaDB versions through r1.32 and V7.0-000. The reported flaw is missing input validation around division logic, allowing a divide-by-zero condition that can stop the application. The supplied sources do not provide a CVSS score or active exploitation evidence.
Executive priority
Handle as a targeted availability risk. It is not documented here as data theft or code execution, but outages in YottaDB-backed services could disrupt business operations.
Technical view
The issue is reported in sr_port/eb_muldiv.c, where calls to eb_div lack sufficient input validation. An attacker can trigger a divide-by-zero condition, causing application denial of service. The source bundle names YottaDB through r1.32 and V7.0-000 but does not identify a patch version.
Likely exposure
Exposure is likely limited to environments running YottaDB through r1.32 or V7.0-000, especially where untrusted data can reach affected application paths. The bundle does not provide CPEs, deployment context, or affected package metadata.
Exploitation context
The source bundle says attackers can crash the application, but it does not cite active exploitation, public exploit availability, or CISA KEV listing. Treat exploitation status as unconfirmed.
Researcher notes
Evidence is sparse: no CVSS, CWE, CPE, or fixed version is included in the supplied CVE data. The main technical anchor is YottaDB issue 828 and the CVE description naming eb_div in sr_port/eb_muldiv.c.
Mitigation direction
- Inventory YottaDB deployments and record exact versions.
- Check YottaDB issue 828 and vendor guidance for fixed releases.
- Prioritize upgrades where untrusted users can influence database-backed workflows.
- Limit untrusted access to affected services until vendor guidance is applied.
- Monitor for unexpected YottaDB or application crashes.
Validation and detection
- Confirm whether deployed YottaDB versions are r1.32, V7.0-000, or earlier.
- Review crash logs for divide-by-zero or eb_muldiv-related failures.
- Map externally reachable applications that depend on affected YottaDB versions.
- Verify remediation against vendor guidance, not assumed patch names.
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-2021-44483 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://gitlab.com/YottaDB/DB/YDB/-/issues/828CVE 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.