Buffer overflow in IBM Db2
CVE-2020-4363
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 is vulnerable to a buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with root privileges. IBM X-Force ID: 178960.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- IBM Db2 — versions 9.7.0.0, 10.1.0.0, 10.5.0.0
- IBM Db2 For Linux- Unix And Windows — versions 9.7, 10.1, 10.5
- Linux Kernel
- Microsoft Windows
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ibm.com/support/pages/node/6242332 (Patch, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/178960 (VDB Entry, vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-4363?
- CVE-2020-4363 is a high-severity vulnerability in IBM Db2, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2020-07-01.
- How severe is CVE-2020-4363?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-4363 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.