VulnerabilityModified
CVE-2021-34580
In mymbCONNECT24, mbCONNECT24 <= 2.9.0 an unauthenticated user can enumerate valid backend users by checking what kind of response the server sends for crafted invalid login attempts.
HIGH 7.5EPSS 1.04%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In mymbCONNECT24, mbCONNECT24 <= 2.9.0 an unauthenticated user can enumerate valid backend users by checking what kind of response the server sends for crafted invalid login attempts.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.04% probability · 62th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-204, CWE-203
- Affected
- mbconnectline/mbconnect24 · mbconnectline/mymbconnect24
- Source
- info@cert.vde.com
References
- https://cert.vde.com/en/advisories/VDE-2021-037/Third Party Advisory
- https://cert.vde.com/en/advisories/VDE-2021-037/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.