CVE-2021-20491

MEDIUM
4.4
CVSS Score
Published: April 16, 2021 at 03:40 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
2 products affected across 1 vendorSpectrum ProtectSpectrum Protect Server

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

7.1.0.000 ≤ v < 7.1.138.1.0.000 ≤ v ≤ 8.1.10.1008.1.11.000
Affected range stops below 7.1.13, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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