How severe is CVE-2023-42769?

CVE-2023-42769 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-2023-42769 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42769?

CVE-2023-42769 primarily affects Sielco Analog Fm Transmitter Exc5000gx Firmware. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-42769?

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-2023-42769 published?

CVE-2023-42769 was published on 2023-10-26 and last updated on 2026-06-17.

CVE-2023-42769

CVE-2023-42769 is a critical-severity vulnerability in Sielco Analog Fm Transmitter Exc5000gx 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-307.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Sielco Analog Fm Transmitter Exc5000gx Firmware
Published: 2023-10-26
Last modified: 2026-06-17

Description

The cookie session ID is of insufficient length and can be exploited by brute force, which may allow a remote attacker to obtain a valid session, bypass authentication, and manipulate the transmitter.

Frequently asked questions

What is CVE-2023-42769?: The cookie session ID is of insufficient length and can be exploited by brute force, which may allow a remote attacker to obtain a valid session, bypass authentication, and manipulate the transmitter.
How severe is CVE-2023-42769?: CVE-2023-42769 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-2023-42769 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42769?: CVE-2023-42769 primarily affects Sielco Analog Fm Transmitter Exc5000gx Firmware. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-42769?: 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-2023-42769 published?: CVE-2023-42769 was published on 2023-10-26 and last updated on 2026-06-17.

References

Affected products (15)

cpe:2.3:o:sielco:analog_fm_transmitter_exc5000gx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc120gx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc300gx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc1600gx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc2000gx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc1000gx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc3000gx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc30gt_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc300gt_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc100gt_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc5000gt_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc1000gt_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:analog_fm_transmitter_exc120gt_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:radio_link_rtx19_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sielco:radio_link_exc19_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Sielco Analog Fm Transmitter Exc5000gx Firmware

CVE-2023-45317 — High (CVSS 8.8): The application interface allows users to perform certain actions via HTTP requests without performing any validity…
CVE-2023-45228 — Medium (CVSS 6.5): The application suffers from improper access control when editing users. A user with read permissions can manipulate…
CVE-2023-41966 — Medium (CVSS 6.5): The application suffers from a privilege escalation vulnerability. A user with read permissions can elevate privileges…

All CVEs affecting Sielco Analog Fm Transmitter Exc5000gx Firmware →

Other CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities

CVE-2026-6853 — Critical (CVSS 9.8): Improper restriction of excessive authentication attempts vulnerability in Başbelen Group Food Cafe Businesses…
CVE-2026-8760 — Critical (CVSS 9.8): The Login with OTP plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including,…
CVE-2020-37228 — Critical (CVSS 9.8): iDS6 DSSPro Digital Signage System 6.2 contains a CAPTCHA security bypass vulnerability that allows attackers to bypass…
CVE-2026-33879 — Critical (CVSS 9.8): Federated Learning and Interoperability Platform (FLIP) is an open-source platform for federated training and…
CVE-2026-33640 — Critical (CVSS 9.8): Outline is a service that allows for collaborative documentation. Outline implements an Email OTP login flow for users…
CVE-2026-31851 — Critical (CVSS 9.8): Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout…

Browse all CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities →