CVE-2023-0777 — Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa p

Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.

01What is this vulnerability?

Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.

02Affected products

Vendor	Product	Versions
modoboa	modoboa/modoboa	unspecified

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

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-02-10T00:00:00.000Z
• Last modified: 2025-03-24T16:18:28.474Z

09References

• huntr.dev — https://huntr.dev/bounties/a17e7a9f-0fee-4130-a522-5a0466fc17c7
• github.com — https://github.com/modoboa/modoboa/commit/47d17ac6643f870719691073956a26e4be0a48…
• packetstormsecurity.com — http://packetstormsecurity.com/files/171744/modoboa-2.0.4-Admin-Takeover.html