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CVE-2021-4298

30
FAUCET Score

CVE-2021-4298 is a critical SQL injection vulnerability in Hesburgh Libraries of Notre Dame Sipity, specifically within the SearchCriteriaForWorksParameter function. With a CVSS score of 9.8, this flaw allows unauthenticated attackers to execute arbitrary SQL commands with high impact on confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, upgrading to Sipity version 2021.8 is strongly recommended to remediate this high-risk vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2021.8CPE matchmatch criteria
cpe:2.3:a:nd:sipity:*:*:*:*:*:*:*:*

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 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0068 is in the 31st percentile among its peer group of 36,833 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 (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / ndlib/sipity/commit/d1704c7363b899ffce65be03a796a0ee5fdbfbdc
Patch
github.com / ndlib/sipity/releases/tag/v2021.8
Release Notes
vuldb.com
Third Party Advisory
vuldb.com
Third Party Advisory