CVE-2023-40834 json
OpenCart CMS v4.0.2.2 was discovered to lack a protective mechanism on its login page against excessive login attempts, allowing unauthenti…
published 2023-09-12 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45374
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
OpenCart CMS v4.0.2.2 was discovered to lack a protective mechanism on its login page against excessive login attempts, allowing unauthenticated attackers to gain access to the application via a brute force attack to the password parameter.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.29% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- packetstormsecurity.com https://packetstormsecurity.com/files/174525/OpenCart-CMS-4.0.2.2-Brute-Force.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-307 Improper Restriction of Excessive Authentication Attempts
References
-
packetstormsecurity.com
/files/174525/OpenCart-CMS-4.0.2.2-Brute-Force.html
exploit, third-party-advisory, vdb-entry
-
opencart.com
/
product
Sources
- CVE List CVE-2023-40834
- NVD CVE-2023-40834
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.