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CVE-2021-20515: IBM Informix Dynamic Server 14.10 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 t...
CVE-2021-20515 · published 5 years ago
Summary
IBM Informix Dynamic Server 14.10 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. IBM X-Force ID: 198366.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| ibm | informix_dynamic_server |
14.10 cpe:2.3:a:ibm:informix_dynamic_server:14.10:*:*:*:*:*:*:* |
Original advisory text
IBM Informix Dynamic Server 14.10 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 t...
IBM Informix Dynamic Server 14.10 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. IBM X-Force ID: 198366.
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/198366 VDB Entry Vendor Advisory
- https://www.ibm.com/support/pages/node/6448568 Patch Vendor Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Type
CWE-787Out-of-bounds Write
Timeline
Published30 Apr 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-20515 · NVD
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