CVE-2016-1159

In ZOHO Password Manager Pro (PMP) 8.3.0 (Build 8303) and 8.4.0 (Build 8400,8401,8402), underprivileged users can obtain sensitive information (entry password history) via a vulnerable hidden service.

Published: 2020-03-09 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-1159 is rated Moderate Risk (59.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.32%). Core evidence: EPSS rose +2.95% over the last day, indicating growing attacker interest. Mandatory action: 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-2016-1159

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 0.37% 3.32% +2.95%
2 2026-05-23 0.48% 0.37% -0.10%
3 2025-03-30 0.48%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-1159

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
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]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2016-1159

Affected software / configurations for CVE-2016-1159

Vendor Product Version Raw CPE
zohocorp manageengine_password_manager_pro 8.3 cpe:2.3:a:zohocorp:manageengine_password_manager_pro:8.3:build8303:*:*:*:*:*:*
zohocorp manageengine_password_manager_pro 8.4 cpe:2.3:a:zohocorp:manageengine_password_manager_pro:8.4:build8400:*:*:*:*:*:*
zohocorp manageengine_password_manager_pro 8.4 cpe:2.3:a:zohocorp:manageengine_password_manager_pro:8.4:build8401:*:*:*:*:*:*
zohocorp manageengine_password_manager_pro 8.4 cpe:2.3:a:zohocorp:manageengine_password_manager_pro:8.4:build8402:*:*:*:*:*:*

References for CVE-2016-1159

cvelogic Threat Intelligence