Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-30677

20
FAUCET Score

CVE-2025-30677 is a medium-severity vulnerability affecting Apache Pulsar IO's Apache Kafka connectors in versions prior to 3.0.11, 3.3.6, and 4.0.4. The vulnerability involves the logging of sensitive Apache Kafka configuration properties, including credentials, in plain text within application logs (CWE-532). An attacker with access to these logs could obtain sensitive information, though the attack complexity is low (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N), resulting in a CVSS score of 6.5. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.3.0, < 3.0.11CPE matchmatch criteria
cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:*
>= 3.3.0, < 3.3.6CPE matchmatch criteria
cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:*
>= 4.0.0, < 4.0.4CPE matchmatch criteria
cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.3MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
NONE
SS Confidentiality
HIGH
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.65%
Probability of exploitation in next 30 days
EPSS Percentile
47.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0065 is in the 58th percentile among its peer group of 21,977 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (6)

mavenpatch availablevia ghsa
Product: org.apache.pulsar:pulsar-io-kafka-connect-adaptorFixed in: 3.0.11
mavenpatch availablevia ghsa
Product: org.apache.pulsar:pulsar-io-kafka-connect-adaptorFixed in: 3.3.6
mavenpatch availablevia ghsa
Product: org.apache.pulsar:pulsar-io-kafka-connect-adaptorFixed in: 4.0.4
mavenpatch availablevia ghsa
Product: org.apache.pulsar:pulsar-io-kafkaFixed in: 3.0.11
mavenpatch availablevia ghsa
Product: org.apache.pulsar:pulsar-io-kafkaFixed in: 3.3.6
mavenpatch availablevia ghsa
Product: org.apache.pulsar:pulsar-io-kafkaFixed in: 4.0.4

Vendor Advisories (1)

mavenGHSA-rcqj-3fmp-5cqxmedium

Apache Pulsar Kafka Connector Logs Sensitive Information in Application Logs

Apr 9, 2025

References

openwall.com / lists/oss-security/2025/04/09/2
Mailing ListThird Party Advisory
lists.apache.org / thread/zv5fwwrh374r1p5cmksxcd40ssxxko3d
Mailing ListVendor Advisory
pulsar.apache.org / security
Vendor Advisory