CVE-2012-4557
Last modified
CVE-2012-4557 is a vulnerability of currently unknown severity. The mod_proxy_ajp module in the Apache HTTP Server 2.2.12 through 2.2.21 places a worker node into an error state upon detection of a long request-processing time, which allows remote attackers to cause a denial of service (worker consumption) via an expensive request.. EPSS estimates a 17.47% chance of exploitation in the next 30 days.
Description
The mod_proxy_ajp module in the Apache HTTP Server 2.2.12 through 2.2.21 places a worker node into an error state upon detection of a long request-processing time, which allows remote attackers to cause a denial of service (worker consumption) via an expensive request.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Http Server | 2.2.12 |
| Apache | Http Server | 2.2.13 |
| Apache | Http Server | 2.2.14 |
| Apache | Http Server | 2.2.15 |
| Apache | Http Server | 2.2.16 |
| Apache | Http Server | 2.2.17 |
| Apache | Http Server | 2.2.18 |
| Apache | Http Server | 2.2.19 |
| Apache | Http Server | 2.2.20 |
| Apache | Http Server | 2.2.21 |
References
- http://httpd.apache.org/security/vulnerabilities_22.html#2.2.22Patch, Vendor Advisory
- http://httpd.apache.org/security/vulnerabilities_22.html#2.2.22Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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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.
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