CVE-2020-4387: ibm db2 Race Condition
CVSS: 6.2v3.0MediumModified
Published 01-07-2020Last modified 16-09-2024
Vulnerability summary
CVE-2020-4387 is a medium (CVSS 6.2) Race Condition vulnerability in ibm db2. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15% of scored vulnerabilities.
CVSS score
6.2/10
010
Medium · v3.0 (CVE.org)EPSS score
0.25%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-07-2020PublishedVulnerability first disclosed.
- 16-09-2024Last 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 could allow a local user to obtain sensitive information using a race condition of a symbolic link. IBM X-Force ID: 179269.
CVSS metrics
4 scores · 2 sources · 3 versionsMedium 4.7Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NSourcesSingle source
Medium 6.2Preferred score · CVE.org (CNA)
CVSS:3.0/C:H/UI:N/PR:N/A:N/AC:L/I:N/AV:L/S:U/E:U/RC:C/RL:OSourcesAll 2 agree
- NVDNIST6.2MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Low 1.9Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
+0.01 pp
From 0.24% on 21-09-2026
21-09-202621-10-2026
EPSS score0.25%
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