IBM Guardium Data Encryption (GDE) 3.0.0.3 and 4.0.0.4 uses weaker than expected cryptographic algorithms that could allow an attacker to d…

published 2021-07-07 5y ago modified 2026-06-17 4mo ago also EUVD-2021-7797

cvss: 5.9; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

IBM Guardium Data Encryption (GDE) 3.0.0.3 and 4.0.0.4 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 195711.

Patch / fix

links 1

ibm.com/support/pages/node/6469407 advisory

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Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.9	CVSS:3.0/I:N/UI:N/C:H/S:U/AC:H/A:N/AV:N/PR:N/RL:O/RC:C/E:U
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA	3.0	5.9	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

IBM Guardium Data Encryption

Classification

Weakness

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

References

ibm.com /support/pages/node/6469407
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/195711
vdb-entry, vendor-advisory

Sources

CVE List CVE-2021-20379
NVD CVE-2021-20379

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