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Bitwarden CVE-2019-19766

HIGH
Use of Password Hash With Insufficient Computational Effort (CWE-916)
2019-12-12 cve@mitre.org
7.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
Impact

CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.3% exploitation probability (EPSS)

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AnalysisAI

The Bitwarden server through 1.32.0 has a potentially unwanted KDF. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-916. The Bitwarden server through 1.32.0 has a potentially unwanted KDF. Affected products include: Bitwarden Server. Version information: through 1.32.0.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionNVD

The Bitwarden server through 1.32.0 has a potentially unwanted KDF.

Threat Intelligence Overview

EPSS Score
1.3%
Top 32% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 1.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:bitwarden:server:*:*:*:*:*:*:*:*
CVE-2026-60104 CRITICAL POC
9.3 Jul 08

Account takeover in self-hosted Bitwarden Server before 2026.6.0 lets a low-privileged organization member steal any oth

CVE-2026-43639 HIGH POC
8.9 May 11

Provider service users in Bitwarden Server Cloud can hijack arbitrary organizations via unauthorized API endpoint access

CVE-2026-43640 HIGH POC
8.6 May 11

Authentication bypass in Bitwarden Server versions prior to 2026.4.1 allows authenticated users with SCIM management pri

CVE-2026-101878 HIGH POC
7.7 Sep 29

Authentication bypass in self-hosted Bitwarden Server versions 2025.6.0 through 2026.5.0 backed by Microsoft SQL Server

CVE-2023-27974 HIGH POC
7.5 Mar 09

Bitwarden through 2023.2.1 offers password auto-fill when the second-level domain matches, e.g., a password stored for a

CVE-2026-57520 HIGH POC
7.1 Jun 25

Privilege escalation in self-hosted Bitwarden Server before 2026.5.0 lets an authenticated organization member holding a

CVE-2023-27706 HIGH POC
7.1 Jun 09

Bitwarden Windows desktop application versions prior to v2023.4.0 store biometric keys in Windows Credential Manager, ac

CVE-2026-71959 MEDIUM POC
6.9 Aug 10

Audit log integrity across all Bitwarden Server organizations can be undermined by any authenticated user, who may injec

CVE-2026-57521 MEDIUM POC
5.3 Jun 25

Broken access control in Bitwarden Server before 2026.5.0 exposes organization billing data to any authenticated user vi

CVE-2026-43638 MEDIUM POC
5.3 May 11

Bitwarden Server prior to v2026.4.1 allows any authenticated user to write ciphers (encrypted credentials) into arbitrar

CVE-2026-42994 HIGH
8.8 May 01

Malicious code injection in Bitwarden CLI 2026.4.0 distributed via npm for 90 minutes on April 22, 2026, enables remote

CVE-2020-15879 HIGH
7.5 Jul 21

Bitwarden Server 1.35.1 allows SSRF because it does not consider certain IPv6 addresses (ones beginning with fc, fd, fe,

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