IBM Spectrum Protect 7.1 and 8.1 server is vulnerable to a stack-based buffer overflow, caused by improper bounds checking.

published 2020-04-23 6y ago modified 2026-06-17 4mo ago also EUVD-2020-25662

cvss: 9.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 8.1%; EPSS 8.1% chance of exploitation in 30 days, percentile 94%
public exploits: 0; none known

IBM Spectrum Protect 7.1 and 8.1 server is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. This could allow a remote attacker to execute arbitrary code on the system with the privileges of an administrator or user associated with the Spectrum Protect server or cause the Spectrum Protect server to crash. IBM X-Force ID: 179990.

Patch / fix

links 1

ibm.com/support/pages/node/6195706 advisory

Is CVE-2020-4415 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

8.05% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	9.8	CVSS:3.0/PR:N/AC:L/AV:N/S:U/I:H/A:H/C:H/UI:N/E:U/RL:O/RC:C
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

IBM Spectrum Protect

Classification

Weakness

CWE-20 Improper Input Validation
CWE-787 Out-of-bounds Write

References

ibm.com /support/pages/node/6195706
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/179990
vdb-entry, vendor-advisory

Sources

CVE List CVE-2020-4415
NVD CVE-2020-4415

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.