HIGH
CVE-2021-44487
CWE-476Published: April 15, 2022· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
An issue was discovered in YottaDB through r1.32 and V7.0-000. A lack of NULL checks in calls to ious_open in sr_unix/ious_open.c allows attackers to crash the application by dereferencing a NULL pointer.
Technical Analysis
CVE-2021-44487 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (2)
→
https://gitlab.com/YottaDB/DB/YDB/-/issues/828Exploit · Release Notes · Third Party Advisory
→
https://gitlab.com/YottaDB/DB/YDB/-/issues/828Exploit · Release Notes · Third Party Advisory
Quick Facts
CVE IDCVE-2021-44487
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-476
CISA KEVNo
Affected2 vendor(s)
PublishedApr 15, 2022
Related CVEs (CWE-476)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-44487 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.