7.5

CVE-2023-40829: tencent enterprise_wechat_privatization Incorrect Authorization

Modified
Published 12-10-2023Last modified 18-09-2024

Vulnerability summary

CVE-2023-40829 is a high (CVSS 7.5) Incorrect Authorization vulnerability in tencent enterprise_wechat_privatization. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 46.2% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.55%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 12-10-2023
    PublishedVulnerability first disclosed.
  2. 18-09-2024
    Last modifiedVulnerability information updated.

Description

There is an interface unauthorized access vulnerability in the background of Tencent Enterprise Wechat Privatization 2.5.x and 2.6.930000.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.55%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

Increase +0.09 pp

From 0.46% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Tencent1 product

1 vendor · 1 product

References

1 links