Medium severity · published Mar 11, 2021
CVE-2020-4976
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…
4.4
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DB
Db2 · Ibm
11.1.0.0 before 11.1.4.6; 11.5 before 11.5.5.0; 9.7; 9.7; 9.7; 9.7; +27 more · source: NVD
OI
Oncommand Insight · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-4976
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-4976
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/192469
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210409-0003/
Vendor Advisory
https://www.ibm.com/support/pages/node/6427859
More from Db2
9.8
CVE-2026-10534
IBM® Db2® is vulnerable to buffer overflow in the IXF IMPORT parser
9.8
CVE-2026-10543
IBM® Db2® is vulnerable to privilege escalation with a specially crafted query
9.8
CVE-2026-10109
IBM® Db2® is vulnerable to remote code execution due to improper pre-auth DRDA handshake handling
9.1
CVE-2018-1426
IBM GSKit (IBM DB2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, and 11.1) duplicates the PRNG state across fork() system calls when multiple ICC instances are loaded which could…
8.8
CVE-2026-105464
IBM® Db2® is vulnerable to a local attacker with DBADM authorization gaining elevated privileges due to improper privilege management