What is CVE-2021-20491?

CVE-2021-20491 is a medium-severity vulnerability in Ibm Spectrum_protect, classified under Out-of-bounds Write. CVSS score: 4.4/10. Published 2021-04-16.

How severe is CVE-2021-20491?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Buffer overflow in Ibm Spectrum_protect

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…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (17.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ibm Spectrum_protect — versions 8.1.11.000
Ibm Spectrum Protect Server — versions 8.1, 7.1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

psirt@us.ibm.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
psirt@us.ibm.com (VDB Entry, vdb-entry, Vendor Advisory, x_refsource_XF)

Frequently asked questions

What is CVE-2021-20491?: CVE-2021-20491 is a medium-severity vulnerability in Ibm Spectrum_protect, classified under Out-of-bounds Write. CVSS score: 4.4/10. Published 2021-04-16.
How severe is CVE-2021-20491?: Medium severity. CVSS v3 base score is 4.4 out of 10.