Vulnerability Details : CVE-2021-20491
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.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-20491
- cpe:2.3:a:ibm:spectrum_protect:*:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:spectrum_protect:*:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:spectrum_protect:8.1.11.000:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20491
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 14 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20491
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
4.4
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.8
|
3.6
|
IBM Corporation | |
|
4.4
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.8
|
3.6
|
NIST |
CWE ids for CVE-2021-20491
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-20491
-
https://www.ibm.com/support/pages/node/6442993
Security Bulletin: Stack-based Buffer Overflow in IBM Spectrum Protect Server (CVE-2021-20491)Patch;Vendor Advisory
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/197792
IBM Spectrum Protect Server denial of service CVE-2021-20491 Vulnerability ReportVDB Entry;Vendor Advisory
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