How severe is CVE-2020-13847?

CVE-2020-13847 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-13847 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13847?

CVE-2020-13847 affects Sylabs Singularity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13847?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-13847 published?

CVE-2020-13847 was published on 2020-07-14 and last updated on 2026-06-17.

CVE-2020-13847

CVE-2020-13847 is a high-severity vulnerability in Sylabs Singularity with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-354.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-354
Affected product: Sylabs Singularity
Published: 2020-07-14
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-13847?: 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.
How severe is CVE-2020-13847?: CVE-2020-13847 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-13847 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13847?: CVE-2020-13847 affects Sylabs Singularity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13847?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-13847 published?: CVE-2020-13847 was published on 2020-07-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*

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