What is CVE-2023-23560?

CVE-2023-23560 is a critical-severity vulnerability in Lexmark B2236, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2023-01-23.

How severe is CVE-2023-23560?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-23560 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SSRF in Lexmark B2236

CVE-2023-23560

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

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.150 (96.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Lexmark B2236
Lexmark B2236_firmware
Lexmark B2338
Lexmark B2338_firmware
Lexmark B2442
Lexmark B2442_firmware
Lexmark B2546
Lexmark B2546_firmware
Lexmark B2650
Lexmark B2650_firmware

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)
CWE-20 — Improper Input Validation

Public proof-of-concept exploits

ARPSyndicate/cvemon
Threekiii/CVE

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2023-23560?: CVE-2023-23560 is a critical-severity vulnerability in Lexmark B2236, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2023-01-23.
How severe is CVE-2023-23560?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-23560 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.