CVE-2021-27200
CRITICALCVSS 9.8/10EPSS 3.36%
Last modified
CVE-2021-27200 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 3.36% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wowonder | Wowonder | 3.0.4 |
References
- https://securityforeveryone.com/blog/wowonder-0-day-vulnerability-cve-2021-27200Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/49989Exploit, Third Party Advisory, VDB Entry
- https://www.wowonder.comProduct
- https://securityforeveryone.com/blog/wowonder-0-day-vulnerability-cve-2021-27200Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/49989Exploit, Third Party Advisory, VDB Entry
- https://www.wowonder.comProduct
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-27200?
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.
How severe is CVE-2021-27200?
CVE-2021-27200 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.36% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27200?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-27193Incorrect default permissions vulnerability in the API of Ne…9.8
- CVE-2021-27194Cleartext transmission of sensitive information in Netop Vis…8.8
- CVE-2021-27195Improper Authorization vulnerability in Netop Vision Pro up …5.9
- CVE-2021-27196Improper Input Validation vulnerability in Hitachi ABB Power…7.5
- CVE-2021-27197DSUtility.dll in Pelco Digital Sentry Server before 7.19.67 …8.1
- CVE-2021-27198An issue was discovered in Visualware MyConnection Server be…9.8
- CVE-2021-27201Endian Firewall Community (aka EFW) 3.3.2 allows remote auth…8.8
- CVE-2021-27203In Dekart Private Disk 2.15, invalid use of the Type3 user b…5.5
- CVE-2021-27204Telegram before 7.4 (212543) Stable on macOS stores the loca…5.5
- CVE-2021-27205Telegram before 7.4 (212543) Stable on macOS stores the loca…5.5
- CVE-2021-27208When booting a Zync-7000 SOC device from nand flash memory, …6.8
- CVE-2021-27209In the management interface on TP-Link Archer C5v 1.7_181221…7.1
Are you affected by CVE-2021-27200?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST