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CVE-2019-10754

27
FAUCET Score

CVE-2019-10754 affects Apereo CAS versions prior to 6.1.0-RC5, where predictable token and ID generation occurs due to the use of cryptographically weak pseudo-random number generation (PRNG) from Apache Commons Lang3's RandomStringUtils. This vulnerability carries a CVSS score of 8.1 (High), indicating that an unauthenticated attacker can exploit it over the network with low complexity to achieve high confidentiality and integrity impacts. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.0.5.1CPE matchmatch criteria
cpe:2.3:a:apereo:central_authentication_service:*:*:*:*:*:*:*:*
6.1.0CPE matchmatch criteria
cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc1:*:*:*:*:*:*
6.1.0CPE matchmatch criteria
cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc2:*:*:*:*:*:*
6.1.0CPE matchmatch criteria
cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc3:*:*:*:*:*:*
6.1.0CPE matchmatch criteria
cpe:2.3:a:apereo:central_authentication_service:6.1.0:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.75%
Probability of exploitation in next 30 days
EPSS Percentile
75.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0175 is in the 74th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

mavenpatch availablevia ghsa
Product: org.apereo.cas:cas-server-support-simple-mfaFixed in: 6.1.0-RC5
mavenpatch availablevia ghsa
Product: org.apereo.cas:cas-server-support-oidcFixed in: 6.1.0-RC5
mavenpatch availablevia ghsa
Product: org.apereo.cas:cas-server-core-services-apiFixed in: 6.1.0-RC5
mavenpatch availablevia ghsa
Product: org.apereo.cas:cas-server-support-oauth-core-apiFixed in: 6.1.0-RC5
mavenpatch availablevia ghsa
Product: org.apereo.cas:cas-server-support-shellFixed in: 6.1.0-RC5
mavenpatch availablevia ghsa
Product: org.apereo.cas:cas-server-core-services-authenticationFixed in: 6.1.0-RC5

Vendor Advisories (1)

mavenGHSA-g24w-373r-5pxghigh

Use of Insufficiently Random Values in Apereo CAS

May 24, 2022

References

snyk.io / vuln/SNYK-JAVA-ORGAPEREOCAS-467402
ExploitPatchThird Party Advisory
snyk.io / vuln/SNYK-JAVA-ORGAPEREOCAS-467404
ExploitPatchThird Party Advisory
snyk.io / vuln/SNYK-JAVA-ORGAPEREOCAS-467406
ExploitPatchThird Party Advisory
snyk.io / vuln/SNYK-JAVA-ORGAPEREOCAS-468868
ExploitPatchThird Party Advisory
snyk.io / vuln/SNYK-JAVA-ORGAPEREOCAS-468869
ExploitPatchThird Party Advisory