CVE-2019-19724: sylabs singularity Incorrect Default Permissions
Vulnerability summary
CVE-2019-19724 is a high (CVSS 7.5) Incorrect Default Permissions vulnerability in sylabs singularity. EPSS estimates a 1.23% chance of exploitation in the next 30 days, higher than 69% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 18-12-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Insecure permissions (777) are set on $HOME/.singularity when it is newly created by Singularity (version from 3.3.0 to 3.5.1), which could lead to an information leak, and malicious redirection of operations performed against Sylabs cloud services.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.23%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.23% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- singularity≥ 3.3.0, < 3.5.2-r0
Github.com/sylabs1 product
- singularity≥ 3.3.0, < 3.5.2
Opensuse1 product
- singularity&distro=openSUSE Leap 15.1< 2.6.1-lp151.2.3.1
Sylabs1 product
- singularity≥ 3.3.0, ≤ 3.5.1
4 vendors · 4 products
References
10 links- github.com/sylabs/singularity/releases/tag/v3.5.2X Refsource CONFIRMWEBRelease NotesThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00025.htmlVendor AdvisoryX Refsource SUSEWEB
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.htmlVendor AdvisoryX Refsource SUSEWEB
- lists.opensuse.org/archives/…Advisory