CVE-2020-5423

CVSS V2 High 7.8 CVSS V3 High 7.5

Description

CAPI (Cloud Controller) versions prior to 1.101.0 are vulnerable to a denial-of-service attack in which an unauthenticated malicious attacker can send specially-crafted YAML files to certain endpoints, causing the YAML parser to consume excessive CPU and RAM.

Overview

CVE ID
CVE-2020-5423

Assigner
security@pivotal.io

Vulnerability Status
Analyzed

Published Version
2020-12-02T02:15:12

Last Modified Date
2020-12-04T18:39:30

Weakness Enumerations

CWE	URL
CWE-400	http://cwe.mitre.org/data/definitions/400.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:cloudfoundry:capi-release::::::::	1	OR		1.101.0
cpe:2.3:a:cloudfoundry:cf-deployment::::::::	1	OR		15.0.0

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
NONE

Availability Impact
COMPLETE

Base Score
7.8

Severity
HIGH

Exploitability Score
10

Impact Score
6.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.cloudfoundry.org/blog/cve-2020-5423	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-5423
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5423

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:31:13				Added to TrackCVE
2022-12-05 17:30:33	2020-12-02T02:15Z	2020-12-02T02:15:12	CVE Published Date	updated
2022-12-05 17:30:33		2020-12-04T18:39:30	CVE Modified Date	updated
2022-12-05 17:30:33		Analyzed	Vulnerability Status	updated