CVE-2020-11857

published 2020-09-22

CVE-2020-11857: An Authorization Bypass vulnerability on Micro Focus Operation Bridge Reporter, affecting version 10.40 and earlier. The vulnerability could allow remote…

Priority P2 72 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

EXPLOIT

An Authorization Bypass vulnerability on Micro Focus Operation Bridge Reporter, affecting version 10.40 and earlier. The vulnerability could allow remote attackers to access the OBR host as a non-admin user

Affected

1 ranges

Vendor	Product	Version range	Fixed in
microfocus	operation_bridge_reporter	10.00 – 10.40	—

Detection & IOCs extracted from sources · hover to see the quote

other shrboadmin:shrboadmin↗

process shrboadmin↗

• → Monitor for SSH login attempts using the username 'shrboadmin' on OBR Linux hosts; successful authentication with this default credential indicates exploitation of CVE-2020-11857. ↗
• → Alert on SSH sessions authenticated as 'shrboadmin' originating from external/untrusted IP addresses, as this account is a non-admin default credential that should not be used for remote access. ↗
• → This exploit is Linux-specific; scope detection efforts to Linux-based OBR deployments running version 10.40 or earlier. ↗

• · The default credential is only present in Linux installations of Micro Focus OBR; Windows deployments are not affected by this specific attack vector. ↗
• · Versions 10.40 and earlier are confirmed affected; earlier versions are assessed likely vulnerable as well. ↗

CVSS provenance

nvd v3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 7.5 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P

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