CVE-2021-23853 Improper Input Validation of HTTP Headers

What is CVE-2021-23853?

CVE-2021-23853 is a high-severity vulnerability in Bosch CPP Firmware, published on 9 Jun 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

In Bosch IP cameras, improper validation of the HTTP header allows an attacker to inject arbitrary HTTP headers through crafted URLs.

Weakness: CWE-20

Which versions are affected by CVE-2021-23853?

It affects 5 products.

Products include Bosch Cpp13 Firmware, Bosch Cpp4 Firmware, Bosch Cpp6 Firmware, Bosch Cpp7.3 Firmware, Bosch Cpp7 Firmware.

How do I fix CVE-2021-23853?

No fix has been published for CVE-2021-23853 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-23853 being exploited?

There is no known exploitation of CVE-2021-23853 in the wild and no public exploit code.

Other vulnerabilities in Bosch CPP Firmware

• CVE-2021-23848 Reflected XSS in URL handler High 8.3
• CVE-2021-23854 Reflected XSS in page parameter High 8.3
• CVE-2023-39509 Command injection in Camera Firmware High 7.2
• CVE-2022-41677 Information disclosure in Camera Firmware Medium 5.3
• CVE-2023-32229 Denial of service in Camera Firmware Medium 4.9

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9f38-8856-g696.