CVE-2021-20515: Buffer Overflow
First published: Thu Apr 29 2021(Updated: )
IBM Informix Dynamic Server is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A local privileged user could overflow a buffer and execute arbitrary code on the system or cause a denial of service condition.
Credit: psirt@us.ibm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM Informix Dynamic Server | <=14.10 | |
| IBM Informix Dynamic Server | =14.10 | |
| HP HP-UX | ||
| IBM AIX | ||
| Linux Linux kernel | ||
| Microsoft Windows | ||
| Oracle Solaris |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-20515?
The severity of CVE-2021-20515 is medium with a severity value of 6.7.
How does CVE-2021-20515 impact IBM Informix Dynamic Server 14.10?
CVE-2021-20515 allows a local privileged user to execute arbitrary code or cause a denial of service on IBM Informix Dynamic Server 14.10.
Can CVE-2021-20515 be exploited remotely?
No, CVE-2021-20515 requires local access to the system by a privileged user for exploitation.
Is IBM Informix Dynamic Server 14.10 the only affected version?
Yes, only IBM Informix Dynamic Server 14.10 is affected by CVE-2021-20515.
Where can I find more information about CVE-2021-20515?
More information about CVE-2021-20515 can be found at the IBM X-Force ID 198366 and IBM Support pages.
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