Apache Tomcat up to 8.5.61/9.0.41/10.0.0-M1 h2c Connection information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apache Tomcat up to 8.5.61/9.0.41/10.0.0-M1. This impacts an unknown function of the component h2c Connection Handler. The manipulation leads to information disclosure. This vulnerability is documented as CVE-2021-25122. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 8.5.61/9.0.41/10.0.0-M1 (Application Server Software). It has been rated as problematic. This issue affects an unknown code of the component h2c Connection Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was released 03/02/2021. It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2021-25122. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/14/2021). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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

01/14/2021 🔍
03/02/2021 +47 days 🔍
03/02/2021 +0 days 🔍
03/14/2021 +12 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: openwall.com
Status: Not defined

CVE: CVE-2021-25122 (🔍)
GCVE (CVE): GCVE-0-2021-25122
GCVE (VulDB): GCVE-100-170531

Entryinfo

Created: 03/02/2021 06:44
Updated: 03/14/2021 08:08
Changes: 03/02/2021 06:44 (37), 03/05/2021 22:37 (2), 03/14/2021 08:08 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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