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Vulnerability record · CVE-2023-23560 · published 23 January 2023

CVE-2023-23560: Lexmark b2236 firmware server-side request forgery (ssrf) vulnerability

Lexmark · B2236 Firmware

In certain Lexmark products through 2023-01-12, SSRF can occur because of a lack of input validation.

9.8 CVSS 3.1 Critical EPSS 14% · top 3.6% CWE-918 · Server-side request forgery (SSRF)CWE-20 · Improper input validation
9.8CVSS 3.1 base score
14%EPSS exploitation probability, 30 days
NoNot in CISA KEV
128Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

In certain Lexmark products through 2023-01-12, SSRF can occur because of a lack of input validation.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

128 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://publications.lexmark.com/publications/security-alerts/CVE-2023-23560.pdf Vendor Advisory
https://support.lexmark.com/alerts/ Vendor Advisory
https://publications.lexmark.com/publications/security-alerts/CVE-2023-23560.pdf Vendor Advisory
https://support.lexmark.com/alerts/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-44734Lexmark b2236 firmware code injection vulnerabilityEmbedded web server input sanitization vulnerability in Lexmark devices through 2021-12-07, which can which can lead to remote code execution on the …EPSS 6.4%9.8CVE-2021-44735Lexmark b2236 firmware command injection vulnerabilityEmbedded web server command injection vulnerability in Lexmark devices through 2021-12-07.EPSS 7.0%9.8CVE-2021-44738Lexmark b2236 firmware classic buffer overflow vulnerabilityBuffer overflow vulnerability has been identified in Lexmark devices through 2021-12-07 in postscript interpreter.EPSS 3.3%8.8CVE-2021-44737Lexmark b2236 firmware path traversal vulnerabilityPJL directory traversal vulnerability in Lexmark devices through 2021-12-07 that can be leveraged to overwrite internal configuration files.EPSS 1.4%8.1CVE-2022-29850Lexmark b2236 firmware improper input validation vulnerabilityVarious Lexmark products through 2022-04-27 allow an attacker who has already compromised an affected Lexmark device to maintain persistence across r…EPSS 1.0%7.5CVE-2023-22960Lexmark b2236 firmware improper restriction of authentication attempts vulnerabilityLexmark products through 2023-01-10 have Improper Control of Interaction Frequency.EPSS 28%10.0CVE-2026-83548SonicWall SMA1000 pre-auth SSRF via alternate access pathThe SMA1000 Appliance Work Place interface exposes an unintended alternate access path that allows server-side request forgery before authentication.…KEVEPSS 8.8%analysed10.0CVE-2026-49869Kestra OSS auth bypass via path suffix match enables RCEKestra OSS AuthenticationFilter whitelists the public config endpoint using request.getPath().endsWith("/configs"), a suffix match instead of an exac…KEVEPSS 2.1%analysed

Source: NIST National Vulnerability Database (record CVE-2023-23560), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.