Critical severity · published Jul 19, 2021
CVE-2021-33027
Sylabs Singularity Enterprise through 1.6.2 has Insufficient Entropy in a nonce
9.8
CVSS
1.3%
EPSS
No
On KEV
Description
Sylabs Singularity Enterprise through 1.6.2 has Insufficient Entropy in a nonce.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
Singularity · Sylabs
1.2.0 before 1.2.6; 1.3.0 before 1.3.4; 1.4.0 before 1.4.4; 1.5.0 before 1.5.4; 1.6.0 before 1.6.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33027
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33027
Third Party Advisory
https://medium.com/sylabs
Vendor Advisory
https://support.sylabs.io/a/solutions/articles/42000086439
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