9.8

CVE-2021-27200: wowonder Use of Insufficiently Random Values

CVSS: 9.8v3.1CriticalModified
Published 11-06-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-27200 is a critical (CVSS 9.8) Use of Insufficiently Random Values vulnerability in wowonder. EPSS estimates a 3.36% chance of exploitation in the next 30 days, higher than 88.5% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.36%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2exploit-database, reference

Timeline

  1. 11-06-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

In WoWonder 3.0.4, remote attackers can take over any account due to the weak cryptographic algorithm in recover.php. The code parameter is easily predicted from the time of day.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.36%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.36% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • exploit-databasephpUnverified

    WoWonder Social Network Platform 3.1 - Authentication Bypass

    Maturity: poc

  • referenceUnverified

    Exploit Reference (securityforeveryone.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Wowonder1 product

1 vendor · 1 product

References

3 links