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CVE-2015-3454

20
FAUCET Score

CVE-2015-3454 describes a vulnerability in TelescopeJS versions prior to 0.15, specifically affecting products like VulcanJS. This flaw allows user bcrypt password hashes to be leaked in websocket messages, which can be exploited by remote attackers through cross-site scripting (XSS) attacks. The vulnerability is rated with a CVSS score of 7.5 (HIGH), indicating a high impact on confidentiality due to the potential exposure of sensitive user credentials, with a network attack vector and low attack complexity. There is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB, nor has it garnered significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.14.3CPE matchmatch criteria
cpe:2.3:a:vulcanjs:vulcan:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.98%
Probability of exploitation in next 30 days
EPSS Percentile
85.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0298 is in the 75th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / VulcanJS/Vulcan/commit/827a15dc7422b2447f3a2e395b5e511379002ea4
PatchThird Party Advisory
github.com / VulcanJS/Vulcan/issues/838
Issue TrackingThird Party Advisory
openwall.com / lists/oss-security/2015/04/29/8
Mailing List
securityfocus.com / bid/74331
Third Party AdvisoryVDB Entry