Medium severity · published Aug 9, 2021
CVE-2021-20349
IBM Tivoli Workload Scheduler 9.4 and 9.5 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
IBM Tivoli Workload Scheduler 9.4 and 9.5 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and gain lower level privileges. IBM X-Force ID: 194599.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TW
Tivoli Workload Scheduler · Ibm
9.4; 9.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20349
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20349
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/194599
Vendor Advisory
https://www.ibm.com/support/pages/node/6479347
More from Tivoli Workload Scheduler
9.1
CVE-2022-38389
IBM Tivoli Workload Scheduler 9.4, 9.5, and 10.1 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data
9.1
CVE-2022-22486
IBM Tivoli Workload Scheduler 9.4, 9.5, and 10.1 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data
7.8
CVE-2019-4031
IBM Workload Scheduler Distributed 9.2, 9.3, 9.4, and 9.5 contains a vulnerability that could allow a local user to write files as root in the file system, which could allow the…
7.8
CVE-2018-1386
IBM Tivoli Workload Automation for AIX (IBM Workload Scheduler 8.6, 9.1, 9.2, 9.3, and 9.4) contains directories with improper permissions that could allow a local user to with…
5.5
CVE-2024-49351
IBM Workload Scheduler information disclosure