Vulnerability Details CVE-2021-24044
By passing invalid javascript code where await and yield were called upon non-async and non-generator getter/setter functions, Hermes would invoke generator functions and error out on invalid await/yield positions. This could result in segmentation fault as a consequence of type confusion error, with a low chance of RCE. This issue affects Hermes versions prior to v0.10.0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 65.1%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
Products affected by CVE-2021-24044
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cpe:2.3:a:facebook:hermes:-
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cpe:2.3:a:facebook:hermes:0.0.1
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cpe:2.3:a:facebook:hermes:0.0.2
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cpe:2.3:a:facebook:hermes:0.0.3
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cpe:2.3:a:facebook:hermes:0.1.0
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cpe:2.3:a:facebook:hermes:0.1.1
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cpe:2.3:a:facebook:hermes:0.2.1
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cpe:2.3:a:facebook:hermes:0.3.0
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cpe:2.3:a:facebook:hermes:0.4.0
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cpe:2.3:a:facebook:hermes:0.4.1
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cpe:2.3:a:facebook:hermes:0.4.3
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cpe:2.3:a:facebook:hermes:0.4.4
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cpe:2.3:a:facebook:hermes:0.5.0
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cpe:2.3:a:facebook:hermes:0.5.1
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cpe:2.3:a:facebook:hermes:0.5.2
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cpe:2.3:a:facebook:hermes:0.5.3
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cpe:2.3:a:facebook:hermes:0.6.0
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cpe:2.3:a:facebook:hermes:0.7.0
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cpe:2.3:a:facebook:hermes:0.7.1
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cpe:2.3:a:facebook:hermes:0.7.2
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cpe:2.3:a:facebook:hermes:0.8.0
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cpe:2.3:a:facebook:hermes:0.8.1
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cpe:2.3:a:facebook:hermes:0.9.0