CVE-2020-4869: ibm mq_appliance Classic Buffer Overflow
CVSS: 6.5v3.1MediumModified
Published 11-01-2021Last modified 16-09-2024
Vulnerability summary
CVE-2020-4869 is a medium (CVSS 6.5) Classic Buffer Overflow vulnerability in ibm mq_appliance. EPSS estimates a 1.84% chance of exploitation in the next 30 days, higher than 78.6% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.84%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-01-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
IBM MQ Appliance 9.2 CD and 9.2 LTS is vulnerable to a denial of service, caused by a buffer overflow. A remote attacker could send a specially crafted SNMP query to cause the appliance to reload. IBM X-Force ID: 190831.
CVSS metrics
4 scores · 2 sources · 3 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.3Preferred score · CVE.org (CNA)
CVSS:3.0/AC:H/I:N/AV:N/C:N/UI:N/PR:L/S:U/A:H/RC:C/E:U/RL:OSourcesAll 2 agree
- NVDNIST5.3MediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.84%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
+0.02 pp
From 1.81% on 20-09-2026
20-09-202620-10-2026
EPSS score1.84%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm1 product
- mq_appliance9.2.1 | 9.2.0.0
1 vendor · 1 product