Apache Traffic Server up to 9.1.2 HTTP/2 Request request smuggling

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$5k-$25k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Apache Traffic Server up to 9.1.2. This vulnerability affects unknown code of the component HTTP2 Request Handler. The manipulation leads to request smuggling. This vulnerability is listed as CVE-2022-25763. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Apache Traffic Server up to 9.1.2 and classified as problematic. This issue affects some unknown functionality of the component HTTP2 Request Handler. The manipulation with an unknown input leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. Impacted is confidentiality. The summary by CVE is:

Improper Input Validation vulnerability in HTTP/2 request validation of Apache Traffic Server allows an attacker to create smuggle or cache poison attacks. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.

The weakness was presented 08/10/2022. The advisory is shared at lists.apache.org. The identification of this vulnerability is CVE-2022-25763 since 02/22/2022. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/20/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Request smuggling
CWE: CWE-444
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/22/2022 🔍
08/10/2022 +168 days 🔍
08/10/2022 +0 days 🔍
10/20/2025 +1167 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: FEDORA-2022-23043f5a0b
Status: Confirmed

CVE: CVE-2022-25763 (🔍)
GCVE (CVE): GCVE-0-2022-25763
GCVE (VulDB): GCVE-100-206033

Entryinfo

Created: 08/10/2022 13:17
Updated: 10/20/2025 20:58
Changes: 08/10/2022 13:17 (38), 09/04/2022 10:29 (1), 09/04/2022 10:36 (11), 10/20/2025 20:58 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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