Vulnerability · Published Aug 10, 2022 · Assigned by apache
CVE-2022-31778Transfer-Encoding not treated as hop-by-hop
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 2.1% (higher than 82% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.1%top 17.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Improper Input Validation vulnerability in handling the Transfer-Encoding header of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 8.0.0 to 9.0.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | trafficserver | 9.1.3+ds-1 | DEBIAN-CVE-2022-31778 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Traffic Server | 8.0.0 to 9.0.2 |
Weakness: CWE-20