CVE-2023-36539

Exposure of information intended to be encrypted by some Zoom clients may lead to disclosure of sensitive information.

Published: 2023-06-29 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-36539 is rated Low Risk (35.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.53%). 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-2023-36539

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 2026-07-01 0.44% 0.53% +0.09%
2 2026-06-15 0.17% 0.44% +0.27%
3 2026-03-25 — 0.17% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-36539

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:H/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:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
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.
 1.6 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/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:N)
No account or special rights needed—anonymous or random user is enough.
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.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-36539

Affected software / configurations for CVE-2023-36539

Vendor Product Version Raw CPE
zoom meetings 5.15.0 cpe:2.3:a:zoom:meetings:5.15.0:*:*:*:*:android:*:*
zoom meetings 5.15.0 cpe:2.3:a:zoom:meetings:5.15.0:*:*:*:*:iphone_os:*:*
zoom meetings 5.15.0 cpe:2.3:a:zoom:meetings:5.15.0:*:*:*:*:macos:*:*
zoom meetings 5.15.1 cpe:2.3:a:zoom:meetings:5.15.1:*:*:*:*:windows:*:*
zoom rooms 5.15.0 cpe:2.3:a:zoom:rooms:5.15.0:*:*:*:*:ipad_os:*:*
zoom rooms 5.15.0 cpe:2.3:a:zoom:rooms:5.15.0:*:*:*:*:macos:*:*
zoom rooms 5.15.0 cpe:2.3:a:zoom:rooms:5.15.0:*:*:*:*:windows:*:*
zoom video_software_development_kit 1.8.0 cpe:2.3:a:zoom:video_software_development_kit:1.8.0:*:*:*:*:*:*:*
zoom zoom 5.15.0 cpe:2.3:a:zoom:zoom:5.15.0:*:*:*:*:android:*:*
zoom zoom 5.15.0 cpe:2.3:a:zoom:zoom:5.15.0:*:*:*:*:iphone_os:*:*
zoom zoom 5.15.0 cpe:2.3:a:zoom:zoom:5.15.0:*:*:*:*:linux:*:*
zoom zoom 5.15.0 cpe:2.3:a:zoom:zoom:5.15.0:*:*:*:*:macos:*:*
zoom zoom 5.15.0 cpe:2.3:a:zoom:zoom:5.15.0:*:*:*:*:windows:*:*
zoom zoom 5.15.1 cpe:2.3:a:zoom:zoom:5.15.1:*:*:*:*:windows:*:*
zoom poly_ccx_700_firmware 5.15.0 cpe:2.3:o:zoom:poly_ccx_700_firmware:5.15.0:*:*:*:*:*:*:*
zoom poly_ccx_600_firmware 5.15.0 cpe:2.3:o:zoom:poly_ccx_600_firmware:5.15.0:*:*:*:*:*:*:*
zoom yealink_vp59_firmware 5.15.0 cpe:2.3:o:zoom:yealink_vp59_firmware:5.15.0:*:*:*:*:*:*:*
zoom yealink_mp54_firmware 5.15.0 cpe:2.3:o:zoom:yealink_mp54_firmware:5.15.0:*:*:*:*:*:*:*
zoom yealink_mp56_firmware 5.15.0 cpe:2.3:o:zoom:yealink_mp56_firmware:5.15.0:*:*:*:*:*:*:*

References for CVE-2023-36539

cvelogic Threat Intelligence