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CVE Record

CVE-2021-4298: Hesburgh Libraries of Notre Dame Sipity search_criteria_for_works_parameter.rb SearchCriteriaForWorksParameter sql injection

A vulnerability classified as critical has been found in Hesburgh Libraries of Notre Dame Sipity. This affects the function SearchCriteriaForWorksParameter of the file app/parameters/sipity/parameters/search_criteria_for_works_parameter.rb. The manipulation leads to sql injection. Upgrading to version 2021.8 is able to address this issue. The patch is named d1704c7363b899ffce65be03a796a0ee5fdbfbdc. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-217179.

MediumCVSS 5.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Sipity has a SQL injection flaw in a search-criteria parameter handler. A logged-in user on an adjacent network could potentially affect database confidentiality, integrity, and availability at low impact. The source bundle identifies version 2021.8 and a specific GitHub patch as the fix.

Executive priority

Prioritize remediation for any production Sipity deployment, but do not treat this as an internet-wide emergency based on the provided evidence. The main business risk is database misuse by a low-privileged adjacent actor in a niche application.

Technical view

CVE-2021-4298 is CWE-89 in SearchCriteriaForWorksParameter within app/parameters/sipity/parameters/search_criteria_for_works_parameter.rb. The CVSS 3.1 vector is AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L, scoring 5.5. Affected version data is not precise beyond Sipity before the 2021.8 fix.

Likely exposure

Exposure appears limited to organizations running Hesburgh Libraries of Notre Dame Sipity, especially versions without the 2021.8 patch. The bundle does not identify CPEs, hosted services, or exact affected version ranges, so asset confirmation is required.

Exploitation context

The CVSS vector requires adjacent-network access and low privileges, with no user interaction. The bundle does not cite public exploitation, and KEV is false. Treat exploitation status as unconfirmed rather than active.

Researcher notes

Version range evidence is incomplete: the bundle lists affected versions as n/a. Research should focus on confirming deployed Sipity revisions, whether the vulnerable parameter path is reachable, and whether local forks diverged from the upstream patch.

Mitigation direction

  • Upgrade Sipity to version 2021.8 or later.
  • Verify patch commit d1704c7363b899ffce65be03a796a0ee5fdbfbdc is present.
  • For forks, backport the vendor patch carefully.
  • Restrict access to affected Sipity workflows until upgraded.
  • Check vendor guidance before applying custom mitigations.

Validation and detection

  • Inventory all Sipity deployments and forks.
  • Confirm deployed code includes the 2021.8 release or patch commit.
  • Review access controls for Sipity search workflows.
  • Inspect application logs for unusual search-criteria errors.
  • Document any unpatched instances with owner and remediation date.
Prepared
Confidence
medium
Sources
6

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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cwe · medium confidence lookup

CWE-89: Database access and collection lookup

Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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description · low confidence lookup

Database behavior lookup

The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2021-4298 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.5 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.5CVSS 3.1MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L2.13.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2021-4298Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Hesburgh Libraries of Notre DameSipityn/aListed
Weakness

CWE details

CWE-89

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.