CVE-2023-32694

Non-constant time HMAC comparison in Adyen plugin in Saleor

MEDIUM

5.4

CVSS Score

Published: May 25, 2023 at 02:29 PM UTC

Updated: June 17, 2026 at 05:59 AM UTC

1 product affected across 1 vendorSaleor

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Severity

MEDIUM5.4

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

Saleor Core is a composable, headless commerce API. Saleor's `validate_hmac_signature` function is vulnerable to timing attacks. Malicious users could abuse this vulnerability on Saleor deployments having the Adyen plugin enabled in order to determine the secret key and forge fake events, this could affect the database integrity such as marking an order as paid when it is not. This issue has been patched in versions 3.7.68, 3.8.40, 3.9.49, 3.10.36, 3.11.35, 3.12.25, and 3.13.16.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Saleor · Saleor

95%

v < 3.10.36v < 3.11.35v < 3.12.25v < 3.13.16v < 3.7.68v < 3.8.40v < 3.9.492.11.0 ≤ v < 3.7.683.10.0 ≤ v < 3.10.363.11.0 ≤ v < 3.11.353.12.0 ≤ v < 3.12.253.13.0 ≤ v < 3.13.163.8.0 ≤ v < 3.8.403.9.0 ≤ v < 3.9.49

Affected range stops below 3.10.36, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.11.35, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.12.25, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.13.16, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.7.68, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.8.40, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.9.49, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCPatch

Source: [email protected]

https://github.com/saleor/saleor/commit/1328274e1a3d04ab87d7daee90229ff47b3bc35e

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://github.com/saleor/saleor/security/advisories/GHSA-3rqj-9v87-2x3f

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-203CWE-208

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