What’s Vulnerable › Vulnerabilities

CVE-2021-23853: Improper Input Validation of HTTP Headers

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-09 · updated 2026-06-17
• Weakness: CWE-20

Description

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

Affected products

• Bosch Cpp13 Firmware: all versions
• Bosch Cpp4 Firmware: all versions
• Bosch Cpp6 Firmware: all versions
• Bosch Cpp7.3 Firmware: all versions
• Bosch Cpp7 Firmware: all versions

References

• https://psirt.bosch.com/security-advisories/bosch-sa-478243-bt.html
• https://psirt.bosch.com/security-advisories/bosch-sa-478243-bt.html

Get alerted when CVE-2021-23853 or the next vulnerability affects your stack