CVE-2023-43067

Dell Unity prior to 5.3 contains an XML External Entity injection vulnerability. An XXE attack could potentially exploit this vulnerability disclosing local files in the file system.

Published: 2023-10-23 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-43067 is rated Low Risk (32.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.44%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-43067

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 2026-06-15 0.02% 0.44% +0.42%
2 2025-11-21 0.20% 0.02% -0.18%
3 2025-11-18 0.20%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-43067

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.9 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
1.2 3.6 [email protected]
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 3.6 [email protected]

Weakness enumeration for CVE-2023-43067

Affected software / configurations for CVE-2023-43067

Vendor Product Version Raw CPE
dell unity_operating_environment < 5.3.0.0.5.120 cpe:2.3:a:dell:unity_operating_environment:*:*:*:*:*:*:*:*
dell unity_xt_operating_environment < 5.3.0.0.5.120 cpe:2.3:a:dell:unity_xt_operating_environment:*:*:*:*:*:*:*:*
dell unityvsa_operating_environment < 5.3.0.0.5.120 cpe:2.3:a:dell:unityvsa_operating_environment:*:*:*:*:*:*:*:*

References for CVE-2023-43067

cvelogic Threat Intelligence