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CVE-2020-16087

21
FAUCET Score

CVE-2020-16087 describes a critical vulnerability in VNG Zalo Desktop 19.8.1.0 and earlier, allowing remote code execution on Windows machines. An attacker can achieve this by sending a specially crafted file to a Zalo user, who then executes arbitrary commands on their system. With a CVSS score of 8.6 (High), this vulnerability has a low attack complexity and high impact on confidentiality, integrity, and availability, requiring user interaction for exploitation. Currently, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
19.8.1.0CPE matchmatch criteria
cpe:2.3:a:vng:zalo_desktop:19.8.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.28%
Probability of exploitation in next 30 days
EPSS Percentile
67.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0128 is in the 64th percentile among its peer group of 11,621 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / VNG-Zalo
Third Party Advisory
threatspike.com
Third Party Advisory
threatspike.com / blog/cve-2020-16087.html
ExploitThird Party Advisory