CX, XC, CS, MS, MX, XM, et. al.: Access of Resource Using Incompatible Type
CVE-2024-11344 is a high-severity access of resource using incompatible type vulnerability in CX, XC, CS, MS, MX, XM, et. al. from Lexmark, with a CVSS 3.1 base score of 7.3 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected CX, XC, CS, MS, MX, XM, et. al. versions: CXTLS.240.076 and earlier; CXTLS.240.200 and later; MXTLS.240.076 and earlier, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.46% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of CX, XC, CS, MS, MX, XM, et. al. you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on lexmark.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Lexmark | CX, XC, CS, MS, MX, XM, et. al. | CXTLS.240.076 and earlier; CXTLS.240.200 and later; MXTLS.240.076 and earlier; MXTLS.240.200 and later; CSTLS.240.076 and earlier; CSTLS.240.200 and later; MSNSN.240.042 and earlier; MSNSN.240.200 and later; and 32 more ranges | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- LowSome restricted data can be read.
- Integrity
- LowLimited modification of data is possible.
- Availability
- LowPerformance or availability is reduced.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. Scored by CNA.
Official description
A type confusion vulnerability has been identified in the Postscript interpreter in various Lexmark devices. The vulnerability can be leveraged by an attacker to execute arbitrary code.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Access of Resource Using Incompatible Type
The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.
More Access of Resource Using Incompatible Type vulnerabilities (CWE-843)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in CX, XC, CS, MS, MX, XM, et. al.
- 9.1 Critical severity
Recent Access of Resource Using Incompatible Type vulnerabilities
- 7.3 High severity
- 9.8 Critical severity
- 7.7 High severity
- 8.0 High severity
- 7.5 High severity
- 7.9 High severity
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