CVE-2020-3812
qmail-verify as used in netqmail 1.06 is prone to an information disclosure vulnerability. A local attacker can test for the existence of…
- Published
- Updated
- Reserved
- Assigned by
- debian
Description
qmail-verify as used in netqmail 1.06 is prone to an information disclosure vulnerability. A local attacker can test for the existence of files and directories anywhere in the filesystem because qmail-verify runs as root and tests for the existence of files in the attacker's home directory, without dropping its privileges first.
Timeline
ID reserved
By debian
- 5 months later
· 5 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.43% · top 63% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
- information disclosure
- CWE-269 (opens in a new tab)All about CWE-269 and its CVEs
Affected products
References (5)
- https://www.openwall.com/lists/oss-security/2020/05/19/8 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugs.debian.org/961060 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.debian.org/security/2020/dsa-4692 (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20200604 [SECURITY] [DLA 2234-1] netqmail security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4556-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-3812)Record last updated .