Apache Traffic Server up to 9.1.2 HTTP 1.1 Header Parser input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.9 | $5k-$25k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Apache Traffic Server up to 9.1.2. This issue affects some unknown processing of the component HTTP 1.1 Header Parser. The manipulation results in input validation. This vulnerability is cataloged as CVE-2022-28129. The attack may be launched remotely. There is no exploit available.
Details
A vulnerability was found in Apache Traffic Server up to 9.1.2. It has been classified as critical. Affected is an unknown part of the component HTTP 1.1 Header Parser. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Improper Input Validation vulnerability in HTTP/1.1 header parsing of Apache Traffic Server allows an attacker to send invalid headers. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.
The weakness was shared 08/10/2022. The advisory is available at lists.apache.org. This vulnerability is traded as CVE-2022-28129 since 03/28/2022. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 05/16/2026).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-32611). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.9VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
03/28/2022 🔍08/10/2022 🔍
08/10/2022 🔍
05/16/2026 🔍
Sources
Vendor: apache.orgAdvisory: FEDORA-2022-23043f5a0b
Status: Confirmed
CVE: CVE-2022-28129 (🔍)
GCVE (CVE): GCVE-0-2022-28129
GCVE (VulDB): GCVE-100-206034
EUVD: 🔍
Entry
Created: 08/10/2022 13:17Updated: 05/16/2026 12:50
Changes: 08/10/2022 13:17 (38), 09/04/2022 10:42 (1), 09/04/2022 10:47 (11), 05/16/2026 12:50 (15)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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