How severe is CVE-2023-43700?

CVE-2023-43700 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2023-43700 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43700?

CVE-2023-43700 affects Sick Apu0200 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43700?

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

When was CVE-2023-43700 published?

CVE-2023-43700 was published on 2023-10-09 and last updated on 2026-06-17.

CVE-2023-43700

CVE-2023-43700 is a high-severity vulnerability in Sick Apu0200 Firmware with a CVSS 3.x base score of 7.7. 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Sick Apu0200 Firmware
Published: 2023-10-09
Last modified: 2026-06-17

Description

Missing Authorization in RDT400 in SICK APU allows an unprivileged remote attacker to modify data via HTTP requests that no not require authentication.

Frequently asked questions

What is CVE-2023-43700?: Missing Authorization in RDT400 in SICK APU allows an unprivileged remote attacker to modify data via HTTP requests that no not require authentication.
How severe is CVE-2023-43700?: CVE-2023-43700 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2023-43700 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43700?: CVE-2023-43700 affects Sick Apu0200 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43700?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-43700 published?: CVE-2023-43700 was published on 2023-10-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:sick:apu0200_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Sick Apu0200 Firmware

CVE-2023-43696 — High (CVSS 8.2): Improper Access Control in SICK APU allows an unprivileged remote attacker to download as well as upload arbitrary…
CVE-2023-43699 — High (CVSS 7.5): Improper Restriction of Excessive Authentication Attempts in RDT400 in SICK APU allows an unprivileged remote attacker…
CVE-2023-43698 — High (CVSS 7.1): Improper Neutralization of Input During Web Page Generation (’Cross-site Scripting’) in RDT400 in SICK APU allows…
CVE-2023-43697 — Medium (CVSS 6.5): Modification of Assumed-Immutable Data (MAID) in RDT400 in SICK APU allows an unprivileged remote attacker to make the…
CVE-2023-5100 — Medium (CVSS 5.9): Cleartext Transmission of Sensitive Information in RDT400 in SICK APU allows an unprivileged remote attacker to…
CVE-2023-5102 — Medium (CVSS 5.3): Insufficient Control Flow Management in RDT400 in SICK APU allows an unprivileged remote attacker to potentially enable…

All CVEs affecting Sick Apu0200 Firmware →

Other CWE-862 (Missing Authorization) vulnerabilities

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CVE-2026-97360 — Critical (CVSS 10.0): HFS2 version 2.4.0 and earlier contains an unauthenticated arbitrary file access vulnerability that allows…
CVE-2026-65381 — Critical (CVSS 10.0): A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the…
CVE-2026-81648 — Critical (CVSS 10.0): The CryptoPayment Gateway WordPress plugin from 1.2.1 to 1.2.2 does not apply an authorization check on one of its AJAX…
CVE-2026-77770 — Critical (CVSS 10.0): The miniOrange 2FA WordPress plugin before 6.3.1, miniOrange 2FA WordPress plugin before 19.3 does not require a…
CVE-2026-65667 — Critical (CVSS 10.0): Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.

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