Kyocera TASKalfa 4053ci printers through 2VG_S000.002.561 allow a denial of service (service outage) via /wlmdeu%2f%2e%2e%2f%2e%2e followed by a directory reference such as %2fetc%00index.htm to try to read the /etc directory.
Conclusion & alert: CVE-2023-34260 is rated High Exploit Risk (76.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.41%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-23 | 2.63% | 3.41% | +0.77% |
| 2 | 2025-11-21 | 5.82% | 2.63% | -3.18% |
| 3 | 2025-11-18 | — | 5.82% | — |
Full EPSS history (16 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| kyocera | d-copia253mf_plus_firmware | <= 2vg_s000.002.561 | cpe:2.3:o:kyocera:d-copia253mf_plus_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://sec-consult.com/vulnerability-lab/ | Third Party Advisory |
| https://seclists.org/fulldisclosure/2023/Jul/15 | Exploit Mailing List Third Party Advisory |