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CVE-2021-20405

23
FAUCET Score

CVE-2021-20405 is a high-severity vulnerability affecting IBM Security Verify Information Queue versions 1.0.6 and 1.0.7, allowing unauthorized activities due to improper output encoding. With a CVSS score of 7.5, it presents a network-exploitable risk with low attack complexity, potentially leading to high integrity impacts without requiring user interaction or privileges. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.6CPE matchmatch criteria
cpe:2.3:a:ibm:security_verify_information_queue:1.0.6:*:*:*:*:*:*:*
1.0.7CPE matchmatch criteria
cpe:2.3:a:ibm:security_verify_information_queue:1.0.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.1LOW

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.75%
Probability of exploitation in next 30 days
EPSS Percentile
51.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0075 is in the 27th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/196183
VDB EntryVendor Advisory
ibm.com / support/pages/node/6414367
Vendor Advisory