CVE-2020-4363: ibm db2 Classic Buffer Overflow
CVSS: 8.4v3.0HighModified
Published 01-07-2020Last modified 17-09-2024
Vulnerability summary
CVE-2020-4363 is a high (CVSS 8.4) Classic Buffer Overflow vulnerability in ibm db2. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.9% of scored vulnerabilities.
CVSS score
8.4/10
010
High · v3.0 (CVE.org)EPSS score
0.50%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-07-2020PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 2 sources · 3 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 8.4Preferred score · CVE.org (CNA)
CVSS:3.0/I:H/AV:L/S:U/C:H/UI:N/PR:N/A:H/AC:L/RL:O/RC:C/E:USourcesAll 2 agree
- NVDNIST8.4HighCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
+0.02 pp
From 0.48% on 21-09-2026
21-09-202621-10-2026
EPSS score0.50%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm2 products
- db2EOL9.7.0.0 | 10.1.0.0 | 10.5.0.0 | 11.1.0.0 | 11.5.0.0
- db2 for linux- unix and windows9.7 | 10.1 | 10.5 | 11.1 | 11.5
1 vendor · 2 products