What’s Vulnerable › Vulnerabilities

CVE-2021-20515

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-30 · updated 2026-06-17
• Weakness: CWE-787

Description

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.

Affected products

• IBM Informix Dynamic Server: 14.10

References

• https://exchange.xforce.ibmcloud.com/vulnerabilities/198366
• https://www.ibm.com/support/pages/node/6448568
• https://exchange.xforce.ibmcloud.com/vulnerabilities/198366
• https://www.ibm.com/support/pages/node/6448568

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