PT-2021-7546 · Hirschmann · Hirschmann Bat-C2

Matt Wiseman · Published 2021-12-22 · Updated 2022-09-30 · CVE-2021-21873

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Hirschmann BAT-C2 (affected versions not specified)

Description The issue exists due to the lack of measures to neutralize special elements used in the operating system command. It allows a remote attacker to execute arbitrary code by sending a specially crafted HTTP request. This can lead to arbitrary command execution in the RSA keypasswd parameter.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-78

CWE-121

CWE-787

Related Identifiers

BDU:2022-07482

CVE-2021-21873

Affected Products

Hirschmann Bat-C2

References · 5

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1314 · Exploit
• https://bdu.fstec.ru/vul/2022-07482 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21873 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21873 · Security Note
• https://belden.com/dfsmedia/f1e38517e0cd4caa8b1acb6619890f5e/15087-source · Note