CVE-2023-27974 json
Bitwarden through 2023.2.1 offers password auto-fill when the second-level domain matches, e.g., a password stored for an example.com hosti…
published 2023-03-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31700
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
Bitwarden through 2023.2.1 offers password auto-fill when the second-level domain matches, e.g., a password stored for an example.com hosting provider when customer-website.example.com is visited. NOTE: the vendor's position is that "Auto-fill on page load" is not enabled by default.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- flashpoint.io https://flashpoint.io/blog/bitwarden-password-pilfering/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
References
-
flashpoint.io
/blog/bitwarden-password-pilfering/
exploit, third-party-advisory
-
github.com
/bitwarden/clients/releases
release-notes
-
news.ycombinator.com
/item?id=35075861
third-party-advisory
Sources
- CVE List CVE-2023-27974
- NVD CVE-2023-27974
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.