CVE-2021-44908
CVE-2021-44908 is a critical-severity vulnerability in Sailsjs Sails with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1321.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1321
- Affected product: Sailsjs Sails
- Published:
- Last modified:
Description
SailsJS Sails.js <=1.4.0 is vulnerable to Prototype Pollution via controller/load-action-modules.js, function loadActionModules().
Frequently asked questions
- What is CVE-2021-44908?
- SailsJS Sails.js <=1.4.0 is vulnerable to Prototype Pollution via controller/load-action-modules.js, function loadActionModules().
- How severe is CVE-2021-44908?
- CVE-2021-44908 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-44908 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-44908?
- CVE-2021-44908 affects Sailsjs Sails. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-44908?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-44908 published?
- CVE-2021-44908 was published on 2022-03-17 and last updated on 2026-06-17.
References
- https://github.com/Marynk/JavaScript-vulnerability-detection/blob/main/sailsJS%20PoC.zip
- https://github.com/balderdashy/sails/blob/master/lib/app/private/controller/load-action-modules.js#L32
- https://github.com/balderdashy/sails/issues/7209
Affected products (1)
- cpe:2.3:a:sailsjs:sails:*:*:*:*:*:node.js:*:*
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