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CVE-2021-20583

18
FAUCET Score

CVE-2021-20583 describes a sensitive information disclosure vulnerability in IBM Security Verify (version 10.9.66) caused by improper input validation during an HTTP GET request by a privileged user. Rated Medium with a CVSS score of 4.9, this vulnerability allows a high-privileged attacker to achieve high confidentiality impact with low attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.9.66CPE matchmatch criteria
cpe:2.3:a:ibm:security_verify:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.2MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
55.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 61st percentile among its peer group of 3,563 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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/199396
VDB Entry
ibm.com / support/pages/node/6467045
PatchVendor Advisory