How severe is CVE-2020-29529?

CVE-2020-29529 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 high, integrity none, and availability none.

Is CVE-2020-29529 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29529?

CVE-2020-29529 affects Hashicorp Go-slug. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29529?

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-2020-29529 published?

CVE-2020-29529 was published on 2020-12-03 and last updated on 2026-06-17.

CVE-2020-29529

CVE-2020-29529 is a high-severity vulnerability in Hashicorp Go-slug 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Hashicorp Go-slug
Published: 2020-12-03
Last modified: 2026-06-17

Description

HashiCorp go-slug up to 0.4.3 did not fully protect against directory traversal while unpacking tar archives, and protections could be bypassed with specific constructions of multiple symlinks. Fixed in 0.5.0.

Frequently asked questions

What is CVE-2020-29529?: HashiCorp go-slug up to 0.4.3 did not fully protect against directory traversal while unpacking tar archives, and protections could be bypassed with specific constructions of multiple symlinks. Fixed in 0.5.0.
How severe is CVE-2020-29529?: CVE-2020-29529 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 high, integrity none, and availability none.
Is CVE-2020-29529 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29529?: CVE-2020-29529 affects Hashicorp Go-slug. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29529?: 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-2020-29529 published?: CVE-2020-29529 was published on 2020-12-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hashicorp:go-slug:*:*:*:*:*:*:*:*

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