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Fencer Intel
high 8.1

CVE-2018-15795 json

CredHub Service Broker uses guessable client secret

published 7y ago modified 4mo ago also GHSA-q3jg-4c82-j4xh , EUVD-2018-0767

cvss
8.1
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

Pivotal CredHub Service Broker, versions prior to 1.1.0, uses a guessable form of random number generation in creating service broker's UAA client. A remote malicious user may guess the client secret and obtain or modify credentials for users of the CredHub Service.

Patch / fix

  • maven org.springframework.credhub:spring-credhub-core 1.1.0
  • Pivotal Cloud Foundry CredHub Service Broker 1.1.0

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Exploit prediction

1.30% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 8.1 CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
NVD 3.0 8.1 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 5.5 AV:N/AC:L/Au:S/C:P/I:P/A:N
GitHub 3.0 8.1 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
maven org.springframework.credhub:spring-credhub-core
<1.1.0
1.1.0

Affected products

  • Pivotal Cloud Foundry CredHub Service Broker

Classification

Weakness
  • CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.