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CVE-2020-28073

30
FAUCET Score

CVE-2020-28073 describes a critical SQL Injection vulnerability in SourceCodester Library Management System 1.0. This flaw allows an unauthenticated attacker to bypass user authentication and impersonate any user within the system. With a CVSS score of 9.8, it presents a high risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion remains minimal, the high FAUCET Risk Score of 80/100 indicates its significant potential impact.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:library_management_system_project:library_management_system:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.77%
Probability of exploitation in next 30 days
EPSS Percentile
84.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0277 is in the 76th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/160606/Library-Management-System-1.0-SQL-Injection.html
ExploitThird Party AdvisoryVDB Entry
sourcecodester.com / php/14545/online-library-management-system-phpmysqli-full-source-code-2020.html
ProductThird Party Advisory