CVE-2021-4437

low-risk
Published 2024-02-12

A vulnerability, which was classified as problematic, has been found in dbartholomae lambda-middleware frameguard up to 1.0.4. Affected by this issue is some unknown functionality of the file packages/json-deserializer/src/JsonDeserializer.ts of the component JSON Mime-Type Handler. The manipulation leads to inefficient regular expression complexity. Upgrading to version 1.1.0 is able to address this issue. The patch is identified as f689404d830cbc1edd6a1018d3334ff5f44dc6a6. It is recommended to upgrade the affected component. VDB-253406 is the identifier assigned to this vulnerability.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.5/10 Low
ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Lambda-Middleware

Affected Vendors

Dbartholomae

References (10)

Patch https://github.com/dbartholomae/lambda-middleware/commit/f689404d830cbc1edd6a101...
Patch https://github.com/dbartholomae/lambda-middleware/pull/57
Release Notes https://github.com/dbartholomae/lambda-middleware/releases/tag/%40lambda-middlew...
Permissions Required https://vuldb.com/?ctiid.253406
Third Party Advisory https://vuldb.com/?id.253406
Patch https://github.com/dbartholomae/lambda-middleware/commit/f689404d830cbc1edd6a101...
Patch https://github.com/dbartholomae/lambda-middleware/pull/57
Release Notes https://github.com/dbartholomae/lambda-middleware/releases/tag/%40lambda-middlew...
Permissions Required https://vuldb.com/?ctiid.253406
Third Party Advisory https://vuldb.com/?id.253406
18
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal