HOMEVULNERABILITIESCVE-2020-13845
HIGH

CVE-2020-13845

CWE-347Published: July 14, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Sylabs Singularity 3.0 through 3.5 has Improper Validation of an Integrity Check Value. Image integrity is not validated when an ECL policy is enforced. The fingerprint required by the ECL is compared against the signature object descriptor(s) in the SIF file, rather than to a cryptographically validated signature.

NVD Source

Technical Analysis

CVE-2020-13845 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

sylabs1 product(s)
singularity
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/hpcng/singularity/security/advisories/GHSA-pmfr-63c2-jr5c
ADVISORYhttps://medium.com/sylabs
ADVISORYhttps://github.com/hpcng/singularity/security/advisories/GHSA-pmfr-63c2-jr5c
ADVISORYhttps://medium.com/sylabs

All References (10)

→
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00046.htmlBroken Link
→
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.htmlBroken Link
→
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00053.htmlBroken Link
→
https://github.com/hpcng/singularity/security/advisories/GHSA-pmfr-63c2-jr5cThird Party Advisory
→
https://medium.com/sylabsThird Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00046.htmlBroken Link
→
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.htmlBroken Link
→
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00053.htmlBroken Link
→
https://github.com/hpcng/singularity/security/advisories/GHSA-pmfr-63c2-jr5cThird Party Advisory
→
https://medium.com/sylabsThird Party Advisory

Quick Facts

CVE IDCVE-2020-13845
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-347
CISA KEVNo
Affected1 vendor(s)
PublishedJul 14, 2020

Related CVEs (CWE-347)

CVE-2024-32962
10.0
CVE-2026-56451
10.0
CVE-2026-48558
KEV10.0
CVE-2026-44748
9.9
CVE-2022-25898
9.8
CVE-2021-32685
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-13845 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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