CVE-2020-4465: ibm mq_appliance Classic Buffer Overflow
CVSS: 6.5v3.1MediumModified
Published 28-07-2020Last modified 16-09-2024
Vulnerability summary
CVE-2020-4465 is a medium (CVSS 6.5) Classic Buffer Overflow vulnerability in ibm mq_appliance. EPSS estimates a 1.91% chance of exploitation in the next 30 days, higher than 79.4% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.91%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 28-07-2020PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service. IBM X-Force ID: 181562.
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/S:U/PR:L/AC:H/C:N/A:H/AV:N/UI:N/I:N/RL:O/RC:C/E:USourcesAll 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
1.91%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.91% on 20-09-2026
20-09-202620-10-2026
EPSS score1.91%
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_appliance8.0 | 9.1.LTS | 9.1.CD | ≥ 8.0, < 8.0.0.15 | ≥ 9.1.0.0, < 9.1.0.6 | ≥ 9.1.0.0, < 9.2.0.0
1 vendor · 1 product