How severe is CVE-2021-23847?

CVE-2021-23847 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-23847 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23847?

CVE-2021-23847 primarily affects Bosch Cpp6 Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-23847?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-23847 published?

CVE-2021-23847 was published on 2021-06-09 and last updated on 2026-06-17.

CVE-2021-23847

CVE-2021-23847 is a critical-severity vulnerability in Bosch Cpp6 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 6.4
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Bosch Cpp6 Firmware
Published: 2021-06-09
Last modified: 2026-06-17

Description

A Missing Authentication in Critical Function in Bosch IP cameras allows an unauthenticated remote attacker to extract sensitive information or change settings of the camera by sending crafted requests to the device. Only devices of the CPP6, CPP7 and CPP7.3 family with firmware 7.70, 7.72, and 7.80 prior to B128 are affected by this vulnerability. Versions 7.62 or lower and INTEOX cameras are not affected.

Frequently asked questions

What is CVE-2021-23847?: A Missing Authentication in Critical Function in Bosch IP cameras allows an unauthenticated remote attacker to extract sensitive information or change settings of the camera by sending crafted requests to the device. Only devices of the CPP6, CPP7 and CPP7.3 family with firmware 7.70, 7.72, and 7.80 prior to B128 are affected by this vulnerability. Versions 7.62 or lower and INTEOX cameras are not affected.
How severe is CVE-2021-23847?: CVE-2021-23847 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-23847 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23847?: CVE-2021-23847 primarily affects Bosch Cpp6 Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-23847?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-23847 published?: CVE-2021-23847 was published on 2021-06-09 and last updated on 2026-06-17.

References

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

Affected products (9)

cpe:2.3:o:bosch:cpp6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bosch:cpp6_firmware:7.70:*:*:*:*:*:*:*
cpe:2.3:o:bosch:cpp6_firmware:7.72:*:*:*:*:*:*:*
cpe:2.3:o:bosch:cpp7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bosch:cpp7_firmware:7.70:*:*:*:*:*:*:*
cpe:2.3:o:bosch:cpp7_firmware:7.72:*:*:*:*:*:*:*
cpe:2.3:o:bosch:cpp7.3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bosch:cpp7.3_firmware:7.70:*:*:*:*:*:*:*
cpe:2.3:o:bosch:cpp7.3_firmware:7.72:*:*:*:*:*:*:*

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CVE-2021-23854 — High (CVSS 8.3): An error in the handling of a page parameter in Bosch IP cameras may lead to a reflected cross site scripting (XSS) in…
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CVE-2021-23848 — High (CVSS 8.3): An error in the URL handler Bosch IP cameras may lead to a reflected cross site scripting (XSS) in the web-based…
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CVE-2022-41677 — Medium (CVSS 5.3): An information disclosure vulnerability was discovered in Bosch IP camera devices allowing an unauthenticated attacker…
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