Information disclosure in Zalo

CVE-2024-53359

An issue in Zalo v23.09.01 allows attackers to obtain sensitive user information via a crafted GET request.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-53359: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

  • Zalo — versions 23.09.01

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-53359?
CVE-2024-53359 is a high-severity vulnerability in Zalo, classified under Information Disclosure. CVSS score: 7.5/10. Published 2025-05-20.
How severe is CVE-2024-53359?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-53359 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.