VDB-174944 · CVE-2021-21656 · GCVE-0-2021-21656

Xcode Integration Plugin up to 2.0.14 on Jenkins XML Parser xml external entity reference

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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Xcode Integration Plugin up to 2.0.14 on Jenkins. Affected by this vulnerability is an unknown functionality of the component XML Parser. Such manipulation leads to xml external entity reference. This vulnerability is traded as CVE-2021-21656. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Xcode Integration Plugin up to 2.0.14 on Jenkins (Jenkins Plugin). Affected by this issue is an unknown function of the component XML Parser. The manipulation with an unknown input leads to a xml external entity reference vulnerability. Using CWE to declare the problem leads to CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. Impacted is confidentiality, integrity, and availability.

The weakness was shared 05/12/2021. The advisory is shared for download at jenkins.io. This vulnerability is handled as CVE-2021-21656. There are neither technical details nor an exploit publicly available.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Jenkins Plugin

Name

Xcode Integration Plugin

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
05/12/2021 +127 days 🔍
05/12/2021 +0 days 🔍
05/15/2021 +3 days 🔍

Sourcesinfo

Advisory: jenkins.io
Status: Not defined
Confirmation: 🔍

CVE: CVE-2021-21656 (🔍)
GCVE (CVE): GCVE-0-2021-21656
GCVE (VulDB): GCVE-100-174944

Entryinfo

Created: 05/12/2021 11:50
Updated: 05/15/2021 13:11
Changes: 05/12/2021 11:50 (36), 05/15/2021 13:11 (3)
Complete: 🔍
Cache ID: 216::103