VDB-154241 · CVE-2020-11688 · GCVE-0-2020-11688

JetBrains TeamCity prior 2019.2.1 Session session expiration

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in JetBrains TeamCity and classified as critical. Affected is an unknown function of the component Session Handler. The manipulation leads to session expiration. This vulnerability is documented as CVE-2020-11688. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in JetBrains TeamCity. It has been rated as critical. This issue affects an unknown part of the component Session Handler. The manipulation with an unknown input leads to a session expiration vulnerability. Using CWE to declare the problem leads to CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In JetBrains TeamCity before 2019.2.1, the application state is kept alive after a user ends his session.

The weakness was released 04/22/2020 (Website). The advisory is shared at blog.jetbrains.com. The identification of this vulnerability is CVE-2020-11688 since 04/10/2020. The attack may be initiated remotely. A simple authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 2019.2.1 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-154233, VDB-154238, VDB-154239 and VDB-154240. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Continuous Integration Software

Vendor

JetBrains

Name

TeamCity

License

free

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Session expiration
CWE: CWE-613
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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TeamCity 2019.2.1

Timelineinfo

04/10/2020 🔍
04/22/2020 +12 days 🔍
04/23/2020 +1 days 🔍
10/11/2020 +171 days 🔍

Sourcesinfo

Advisory: blog.jetbrains.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-11688 (🔍)
GCVE (CVE): GCVE-0-2020-11688
GCVE (VulDB): GCVE-100-154241
See also: 🔍

Entryinfo

Created: 04/23/2020 10:29
Updated: 10/11/2020 17:40
Changes: 04/23/2020 10:29 (40), 04/23/2020 10:34 (17), 10/11/2020 17:40 (1)
Complete: 🔍
Cache ID: 216::103

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