CVE-2020-28638 json
ask_password in Tomb 2.0 through 2.7 returns a warning when pinentry-curses is used and $DISPLAY is non-empty, causing affected users' file…
published 2020-11-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21036
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
ask_password in Tomb 2.0 through 2.7 returns a warning when pinentry-curses is used and $DISPLAY is non-empty, causing affected users' files to be encrypted with "tomb {W] Detected DISPLAY, but only pinentry-curses is found." as the encryption key.
Patch / fix
- tomb Debian 14, Debian 13, Debian 12 2.8+dfsg1-1
debian advisories DEBIAN-CVE-2020-28638
Exploit prediction
0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/dyne/Tomb/issues/385 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/dyne/Tomb/issues/385
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2020-28638
- NVD CVE-2020-28638
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.