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CVE-2019-19766

24
FAUCET Score

CVE-2019-19766 describes a potentially unwanted Key Derivation Function (KDF) in Bitwarden server versions up to 1.32.0. This vulnerability has a CVSS score of 7.5 (HIGH), indicating a high impact on confidentiality with low attack complexity and no user interaction required. While no active exploitation, public exploit code, or significant community discussion has been observed, organizations using affected Bitwarden server versions should review their KDF configurations.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.32.0CPE matchmatch criteria
cpe:2.3:a:bitwarden:server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
1.35%
Probability of exploitation in next 30 days
EPSS Percentile
68.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0135 is in the 49th percentile among its peer group of 51,485 CVEs.

Social Chatter

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

Remediation records are not available for this CVE.

References

github.com / bitwarden/jslib/issues/52
Third Party Advisory
github.com / bitwarden/server/issues/589
Third Party Advisory