Vulnerability · Published Mar 23, 2022 · Assigned by apache
CVE-2021-44040HTTP request line fuzzing attacks
High 7.5
In plain English
A high-severity improper input validation in Apache Traffic Server from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.0%top 19.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Improper Input Validation vulnerability in request line parsing of Apache Traffic Server allows an attacker to send invalid requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | trafficserver | 9.1.2+ds-1 | DEBIAN-CVE-2021-44040 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Traffic Server | 8.0.0 to 8.1.3 and 9.0.0 to 9.1.1 |
Weakness: CWE-20
References
- https://lists.apache.org/thread/zblwzcfs9ryhwjr89wz4osw55pxm6dx6 x_refsource_MISC
- DSA-5153 vendor-advisory, x_refsource_DEBIAN