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CVE-2021-4308

31
FAUCET Score

CVE-2021-4308 is a critical SQL injection vulnerability affecting WebPA versions up to 3.1.1, specifically impacting the 'lboro webpa' product. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity, allowing for full compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, immediate upgrade to WebPA version 3.1.2 is strongly recommended to mitigate this high-risk flaw.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.1.2CPE matchmatch criteria
cpe:2.3:a:lboro:webpa:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.1
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.68%
Probability of exploitation in next 30 days
EPSS Percentile
48.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0068 is in the 31st percentile among its peer group of 36,835 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

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: webpa/webpaFixed in: 3.1.2
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-mjgw-f2c4-f8qjcritical

WebPA SQL Injection vulnerability

Jan 8, 2023

References

github.com / WebPA/WebPA/commit/8836c4f549181e885a68e0e7ca561fdbcbd04bf0
Patch
github.com / WebPA/WebPA/pull/87
Patch
github.com / WebPA/WebPA/releases/tag/v3.1.2
Release Notes
vuldb.com
Third Party Advisory
vuldb.com
Third Party Advisory