CVE-2023-34193

File Upload vulnerability in Zimbra ZCS 8.8.15 allows an authenticated privileged user to execute arbitrary code and obtain sensitive information via the ClientUploader function.

Published: 2023-07-06 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-34193 is rated Moderate Risk (57.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.16%). Review affected assets and schedule remediation.

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-2023-34193

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 0.48% 1.16% +0.68%
2 2026-05-02 0.45% 0.48% +0.03%
3 2026-04-10 — 0.45% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-34193

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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: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:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]

Weakness enumeration for CVE-2023-34193

Affected software / configurations for CVE-2023-34193

Vendor Product Version Raw CPE
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p1:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p10:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p11:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p12:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p13:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p14:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p15:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p16:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p17:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p18:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p19:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p2:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p20:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p21:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p22:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p23:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p24:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p25:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p26:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p27:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p28:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p29:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p3:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p30:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p31:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p32:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p33:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p34:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p35:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p37:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p4:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p5:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p6:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p7:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p8:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p9:*:*:*:*:*:*

References for CVE-2023-34193

cvelogic Threat Intelligence