Vulnerability Database

328,411

Total vulnerabilities in the database

CVE-2018-15520

Various Lexmark devices have a Buffer Overflow (issue 2 of 2).

  • Published: Jun 28, 2019
  • Updated: Nov 9, 2025
  • CVE: CVE-2018-15520
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
lexmark / cx82x_firmware - cxtpp.052.024.x
lexmark / cx82x_firmware cxtpp.052.200 cxtpp.052.204.x
lexmark / cx860_firmware - cxtpp.052.024.x
lexmark / cx860_firmware cxtpp.052.200 cxtpp.052.204.x
lexmark / xc6152_firmware - cxtpp.052.024.x
lexmark / xc6152_firmware cxtpp.052.200 cxtpp.052.204.x
lexmark / xc8155_firmware - cxtpp.052.024.x
lexmark / xc8155_firmware cxtpp.052.200 cxtpp.052.204.x
lexmark / xc8160_firmware - cxtpp.052.024.x
lexmark / xc8160_firmware cxtpp.052.200 cxtpp.052.204.x
lexmark / cx72x_firmware - cxtat.052.024.x
lexmark / cx72x_firmware cxtat.052.200 cxtat.052.204.x
lexmark / xc41x0_firmware - cxtat.052.024.x
lexmark / xc41x0_firmware cxtat.052.200 cxtat.052.204.x
lexmark / cx92x_firmware - cxtmh.052.024.x
lexmark / cx92x_firmware cxtmh.052.200 cxtmh.052.204.x
lexmark / xc92x5_firmware - cxtmh.052.024.x
lexmark / xc92x5_firmware cxtmh.052.200 cxtmh.052.204.x
lexmark / mx321_firmware - mxngm.052.024.x
lexmark / mx321_firmware mxngm.052.200 mxngm.052.204.x
lexmark / mb2338_firmware - mxngm.052.024.x
lexmark / mb2338_firmware mxngm.052.200 mxngm.052.204.x
lexmark / mx42x_firmware - mxtgm.052.024.x
lexmark / mx42x_firmware mxtgm.052.200 mxtgm.052.204.x
lexmark / mx52x_firmware - mxtgm.052.024.x
lexmark / mx52x_firmware mxtgm.052.200 mxtgm.052.204.x
lexmark / mx622_firmware - mxtgm.052.024.x
lexmark / mx622_firmware mxtgm.052.200 mxtgm.052.204.x
lexmark / mb2442_firmware - mxtgm.052.024.x
lexmark / mb2442_firmware mxtgm.052.200 mxtgm.052.204.x
lexmark / mb2546_firmware - mxtgm.052.024.x
lexmark / mb2546_firmware mxtgm.052.200 mxtgm.052.204.x
lexmark / mb2650_firmware - mxtgm.052.024.x
lexmark / mb2650_firmware mxtgm.052.200 mxtgm.052.204.x
lexmark / xm124x_firmware - mxtgm.052.024.x
lexmark / xm124x_firmware mxtgm.052.200 mxtgm.052.204.x
lexmark / xm3250_firmware - mxtgm.052.024.x
lexmark / xm3250_firmware mxtgm.052.200 mxtgm.052.204.x
lexmark / mx72x_firmware - mxtgw.052.024.x
lexmark / mx72x_firmware mxtgw.052.200 mxtgw.052.204.x
lexmark / mx82x_firmware - mxtgw.052.024.x
lexmark / mx82x_firmware mxtgw.052.200 mxtgw.052.204.x
lexmark / mb2770_firmware - mxtgw.052.024.x
lexmark / mb2770_firmware mxtgw.052.200 mxtgw.052.204.x
lexmark / xm5370_firmware - mxtgw.052.024.x
lexmark / xm5370_firmware mxtgw.052.200 mxtgw.052.204.x
lexmark / xm7355_firmware - mxtgw.052.024.x
lexmark / xm7355_firmware mxtgw.052.200 mxtgw.052.204.x
lexmark / xm7370_firmware - mxtgw.052.024.x
lexmark / xm7370_firmware mxtgw.052.200 mxtgw.052.204.x
lexmark / cx421_firmware - cxnzj.052.024.x
lexmark / cx421_firmware cxnzj.052.200 cxnzj.052.204.x
lexmark / mc2325_firmware - cxnzj.052.024.x
lexmark / mc2325_firmware cxnzj.052.200 cxnzj.052.204.x
lexmark / mc2425_firmware - cxnzj.052.024.x
lexmark / mc2425_firmware cxnzj.052.200 cxnzj.052.204.x
lexmark / cx522_firmware - cxtzj.052.024.x
lexmark / cx522_firmware cxtzj.052.200 cxtzj.052.204.x
lexmark / cx62x_firmware - cxtzj.052.024.x
lexmark / cx62x_firmware cxtzj.052.200 cxtzj.052.204.x
lexmark / mc2535_firmware - cxtzj.052.024.x
lexmark / mc2535_firmware cxtzj.052.200 cxtzj.052.204.x
lexmark / mc2640_firmware - cxtzj.052.024.x
lexmark / mc2640_firmware cxtzj.052.200 cxtzj.052.204.x
lexmark / xc2235_firmware - cxtzj.052.024.x
lexmark / xc2235_firmware cxtzj.052.200 cxtzj.052.204.x
lexmark / xc4240_firmware - cxtzj.052.024.x
lexmark / xc4240_firmware cxtzj.052.200 cxtzj.052.204.x

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.