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CVE-2023-4782

22
FAUCET Score

CVE-2023-4782 is a high-severity arbitrary file write vulnerability affecting HashiCorp Terraform versions 1.0.8 through 1.5.6. An attacker can exploit this during the 'init' operation by providing a maliciously crafted Terraform configuration, leading to high impact on confidentiality, integrity, and availability. While the CVSS score is 7.8, there is currently no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog. The vulnerability is patched in Terraform 1.5.7.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.0.8, < 1.5.7CPE match
cpe:2.3:a:hashicorp:terraform:*:*:*:*:*:*:*:*
>= 1.0.8, < 1.5.7CPE matchmatch criteria
cpe:2.3:a:hashicorp:terraform:*:*:*:*:*:-:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.1
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.26%
Probability of exploitation in next 30 days
EPSS Percentile
17.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0026 is in the 52nd percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

gopatch availablevia ghsa
Product: github.com/hashicorp/terraformFixed in: 1.5.7
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 1.3.2-19
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 1.3.2-19
microsoftpatch availablevia msrc
Product: 18311-16823Fixed in: 1.3.2-19
microsoftpatch availablevia msrc
Product: cbl2 terraform 1.3.2-19 on CBL Mariner 2.0Fixed in: 1.3.2-19

Vendor Advisories (3)

microsoft2024-Oct/CVE-2023-4782

CVE-2023-4782

Oct 8, 2024
microsoft2023-Sep/CVE-2023-4782Important

Terraform Allows Arbitrary File Write During Init Operation

Sep 12, 2023
goGHSA-h626-pv66-hhm7medium

Terraform allows arbitrary file write during the `init` operation

Sep 8, 2023

References

discuss.hashicorp.com / t/hcsec-2023-27-terraform-allows-arbitrary-file-write-during-init-operation/58082
Vendor Advisory