MEDIUM
CVE-2020-4976
CWE-276Published: March 11, 2021· Updated: Jun 17, 2026
4.4
CVSS v3.1
Official Description
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local user to read and write specific files due to weak file permissions. IBM X-Force ID: 192469.
Technical Analysis
CVE-2020-4976 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (6)
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/192469VDB Entry · Vendor Advisory
→
https://security.netapp.com/advisory/ntap-20210409-0003/Third Party Advisory
→
https://www.ibm.com/support/pages/node/6427859Vendor Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/192469VDB Entry · Vendor Advisory
→
https://security.netapp.com/advisory/ntap-20210409-0003/Third Party Advisory
→
https://www.ibm.com/support/pages/node/6427859Vendor Advisory
Quick Facts
CVE IDCVE-2020-4976
CVSS Score4.4 / 10
SeverityMEDIUM
WeaknessCWE-276
CISA KEVNo
Affected4 vendor(s)
PublishedMar 11, 2021
Related CVEs (CWE-276)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-4976 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.