Auth bypass in Mid.as Midas

CVE-2009-2231

MIDAS 1.43 allows remote attackers to bypass authentication and obtain administrative access via an admin account record in a MIDAS cookie.

Vulnerability class: Broken Authentication

Published 2009-06-26 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.026 (85.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Mid.as Midas — versions 1.43

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

exchange.xforce.ibmcloud.com/vulnerabilities/51281 (vdb-entry)
www.exploit-db.com/exploits/8987 (exploit)
www.vupen.com/english/advisories/2009/1646 (vdb-entry, Vendor Advisory)