CVE-2020-13847: sylabs singularity
Vulnerability summary
CVE-2020-13847 is a high (CVSS 7.5) vulnerability in sylabs singularity. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 50.1% 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 4 · Related 4Timeline
- 14-07-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Sylabs Singularity 3.0 through 3.5 lacks support for an Integrity Check. Singularity's sign and verify commands do not sign metadata found in the global header or data object descriptors of a SIF file.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.63%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.63% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot 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≥ 3.0.0, < 3.6.0-r0
Sylabs1 product
- singularity≥ 3.0.0, ≤ 3.5.0
Ubuntu1 product
- singularity-containerAll versions (No fix recorded)
3 vendors · 3 products
References
8 links- github.com/hpcng/singularity/security/advisories/GHSA-m7j2-9565-4h9vX Refsource MISCREPORTThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00046.htmlVendor AdvisoryX Refsource SUSEBroken Link
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.htmlVendor AdvisoryX Refsource SUSEBroken Link
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00053.htmlVendor AdvisoryX Refsource SUSEBroken Link