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CVE-2017-2773

Published: Jun 13, 2017Updated: May 13, 2026 Sources: CVE List NVDCWE-20
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
2.1%
Top 20.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only

Description

An issue was discovered in Pivotal PCF Elastic Runtime 1.6.x versions prior to 1.6.60, 1.7.x versions prior to 1.7.41, 1.8.x versions prior to 1.8.23, and 1.9.x versions prior to 1.9.1. Incomplete validation logic in JSON Web Token (JWT) libraries can allow unprivileged attackers to impersonate other users in multiple components included in PCF Elastic Runtime, aka an "Unauthenticated JWT signing algorithm in multiple components" issue.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-20

Affected Products

PCF Elastic Runtimen/a
cloud foundry elastic runtimepivotal software
SaaS
Cloud & SaaS / container-orchestration
pivotal softwarecommercialUSCloud & SaaSaka pivotal

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Workaround Available

MITRE ATT&CK

1 technique
Initial Access
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References

http://www.securityfocus.com/bid/97135
securityfocus.com
https://pivotal.io/security/cve-2017-2773
pivotal.io

Timeline

Published
Jun 13, 2017
Last Updated
May 13, 2026

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