What is CVE-2021-43106?

CVE-2021-43106 is a medium-severity vulnerability in Compassplus Tranzware Online, classified under Improper Encoding or Escaping of Output. CVSS score: 6.1/10. Published 2022-02-14.

How severe is CVE-2021-43106?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Compassplus Tranzware Online

CVE-2021-43106

A Header Injection vulnerability exists in Compass Plus TranzWare Online FIMI Web Interface Tranzware Online (TWO) 5.3.33.3 F38 and FIMI 4.2.19.4 25.The HTTP host header can be manipulated and cause the application to behave in unexpected ways. Any changes made to the header would just cause the request to be sent to a completely different Domain/IP address. This is due to that the server implicitly trusts the Host header, and fails to validate or escape it properly. An attacker can use this input to redirect target users to a malicious domain/web page. This would result in expanding the potential to further attacks and malicious actions.

EPSS: 0.007 (48.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Compassplus Tranzware_online — versions 5.3.33.3_f38
Compassplus Tranzware_online_financial_institution_maintenance_interface — versions 4.2.19.4.25
N/a — versions n/a

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-43106?: CVE-2021-43106 is a medium-severity vulnerability in Compassplus Tranzware Online, classified under Improper Encoding or Escaping of Output. CVSS score: 6.1/10. Published 2022-02-14.
How severe is CVE-2021-43106?: Medium severity. CVSS v3 base score is 6.1 out of 10.