What is CVE-2018-12021?

CVE-2018-12021 is a medium-severity vulnerability in Sylabs Singularity, classified under Information Disclosure. CVSS score: 6.5/10. Published 2018-07-05.

How severe is CVE-2018-12021?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2018-12021 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Sylabs Singularity

CVE-2018-12021

Singularity 2.3.0 through 2.5.1 is affected by an incorrect access control on systems supporting overlay file system. When using the overlay option, a malicious user may access sensitive information by exploiting a few specific Singularity…

Vulnerability class: Information Disclosure

EPSS: 0.016 (72.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Sylabs Singularity
N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)
cve@mitre.org (mailing-list, x_refsource_MLIST)

Frequently asked questions

What is CVE-2018-12021?: CVE-2018-12021 is a medium-severity vulnerability in Sylabs Singularity, classified under Information Disclosure. CVSS score: 6.5/10. Published 2018-07-05.
How severe is CVE-2018-12021?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2018-12021 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.