CVE-2022-40084 — OpenCRX before v5

OpenCRX before v5.2.2 was discovered to be vulnerable to password enumeration due to the difference in error messages received during a password reset which could enable an attacker to determine if a username, email or ID is valid.

01What is this vulnerability?

OpenCRX before v5.2.2 was discovered to be vulnerable to password enumeration due to the difference in error messages received during a password reset which could enable an attacker to determine if a username, email or ID is valid.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2022-10-20T00:00:00.000Z
• Last modified: 2025-05-08T15:49:42.205Z

09References

• cwe.mitre.org — https://cwe.mitre.org/data/definitions/204.html#:~:text=User%20enumeration%20via…
• github.com — https://github.com/ciph0x01/OpenCRX-CVE/blob/main/CVE-2022-40084.md