CVE-2021-20491
Last modified
CVE-2021-20491 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. IBM Spectrum Protect Server 7.1 and 8.1 is subject to a stack-based buffer overflow caused by improper bounds checking during the parsing of commands. By issuing such a command with an improper parameter, an authorized administrator could overflow a buffer and cause the server to crash. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
IBM Spectrum Protect Server 7.1 and 8.1 is subject to a stack-based buffer overflow caused by improper bounds checking during the parsing of commands. By issuing such a command with an improper parameter, an authorized administrator could overflow a buffer and cause the server to crash. IBM X-Force ID: 197792.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ibm | Spectrum Protect | >= 7.1.0.000, < 7.1.13 |
| Ibm | Spectrum Protect | >= 8.1.0.000, <= 8.1.10.100 |
| Ibm | Spectrum Protect | 8.1.11.000 |
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/197792VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6442993Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/197792VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6442993Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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