CVE-2023-45207

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15, 9.0, and 10.0. An attacker can send a PDF document through mail that contains malicious JavaScript. While previewing this file in webmail in the Chrome browser, the stored XSS payload is executed. (This has been mitigated by sanitising the JavaScript code present in a PDF document.)

Published: 2024-02-13 Last update: 2025-03-27 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-45207 is rated Moderate Risk (46.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.44%). 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-2023-45207

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 2026-04-10 0.46% 0.44% -0.01%
2 2026-03-27 0.44% 0.46% +0.01%
3 2026-03-10 — 0.44% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-45207

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 2.7 [email protected]
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 2.7 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2023-45207

Affected software / configurations for CVE-2023-45207

Vendor Product Version Raw CPE
zimbra collaboration >= 10.0.0, < 10.0.5 cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*
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:p40:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p41:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p42:*:*:*:*:*:*
zimbra collaboration 8.8.15 cpe:2.3:a:zimbra:collaboration:8.8.15:p43:*:*:*:*:*:*
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:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:-:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p0:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p1:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p10:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p11:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p12:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p13:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p14:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p15:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p16:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p19:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p2:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p20:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p21:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p23:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p24:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p24.1:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p25:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p26:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p27:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p3:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p30:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p31:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p32:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p33:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p34:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p35:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p36:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p4:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p5:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p6:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p7:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p7.1:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p8:*:*:*:*:*:*
zimbra collaboration 9.0.0 cpe:2.3:a:zimbra:collaboration:9.0.0:p9:*:*:*:*:*:*

References for CVE-2023-45207

cvelogic Threat Intelligence