Critical severity · published Jun 13, 2017
CVE-2017-2773
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…
9.8
CVSS
2.1%
EPSS
No
On KEV
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
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cloud Foundry Elastic Runtime · Pivotal Software
1.6.0; 1.6.1; 1.6.2; 1.6.3; 1.6.4; 1.6.5; +34 more · source: NVD
Affected product
CF
Cloud Foundry Elastic Runtime
Pivotal Software
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-2773
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-2773
Third Party Advisory
http://www.securityfocus.com/bid/97135
Mitigation
https://pivotal.io/security/cve-2017-2773
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