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CVE-2020-29529

25
FAUCET Score

CVE-2020-29529 is a directory traversal vulnerability affecting HashiCorp go-slug versions up to 0.4.3. Attackers could bypass existing protections in tar archive unpacking by crafting specific symlink constructions, potentially leading to unauthorized file access. With a CVSS score of 7.5 (HIGH), this vulnerability is remotely exploitable with low attack complexity, allowing for high confidentiality impact without requiring user interaction or privileges. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.5.0CPE matchmatch criteria
cpe:2.3:a:hashicorp:go-slug:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.78%
Probability of exploitation in next 30 days
EPSS Percentile
84.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0278 is in the 73rd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/hashicorp/go-slugFixed in: 0.5.0
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/multicloud-manager-rhel8
redhatno patchvia redhat_api
Product: Red Hat Advanced Cluster Management for Kubernetes 2Fixed in: rhacm2/openshift-hive-rhel8

Vendor Advisories (2)

goGHSA-2g5j-5x95-r6hrhigh

Unsafe tar unpacking in HashiCorp go-slug

Feb 6, 2023
redhatCVE-2020-29529Moderate

go-slug: partial protection against zip slip attacks

Dec 3, 2020

References

github.com / hashicorp/go-slug/compare/v0.4.3...v0.5.0
PatchRelease NotesThird Party Advisory
github.com / hashicorp/go-slug/pull/12
PatchThird Party Advisory
github.com / hashicorp/go-slug/releases/tag/v0.5.0
Release NotesThird Party Advisory
securitylab.github.com / advisories/GHSL-2020-262-zipslip-go-slug
ExploitThird Party Advisory