CVE catalog

CVE-2020-37248

OfflineIMAP before 8.0.3 trusts the server with their…

OfflineIMAP before 8.0.3 trusts the server with their STARTTLS capability prior to authentication, which allows STRIPTLS/man-in-the-middle attacks, taking over the connection and extracting account credentials in cleartext.

Severity: Medium · CVSS 6.5
Published: Jan 1, 2020, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.19% · Oct 27, 2026

Projects and upstream resources

[offlineimap3][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / release	Package	Version	Status	Source
Debiansid	offlineimap3	`8.0.3+dfsg-1`	FixedDistribution-reported fixed boundary	[CVE-2020-37248]
Debiansid	offlineimap3	`8.0.3+dfsg-2`	Fixed	[CVE-2020-37248]
Debianforky	offlineimap3	`8.0.3+dfsg-1`	FixedDistribution-reported fixed boundary	[CVE-2020-37248]
Debianforky	offlineimap3	`8.0.3+dfsg-2`	Fixed	[CVE-2020-37248]

Showing 4 fix observations. All 9 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
UnknownRelease not reported	offlineimap3	Not reported	UnknownSource applicability is not established	Provider not reported
Debianbookworm	offlineimap3	Not reported	AffectedDistribution reports no fix	[CVE-2020-37248]
Debianbookworm	offlineimap3	`0.0~git20211018.e64c254+dfsg-2`	Affected	[CVE-2020-37248]
Debianforky	offlineimap3	`8.0.3+dfsg-1`	FixedDistribution-reported fixed boundary	[CVE-2020-37248]
Debianforky	offlineimap3	`8.0.3+dfsg-2`	Fixed	[CVE-2020-37248]
Debiansid	offlineimap3	`8.0.3+dfsg-1`	FixedDistribution-reported fixed boundary	[CVE-2020-37248]
Debiansid	offlineimap3	`8.0.3+dfsg-2`	Fixed	[CVE-2020-37248]
Debiantrixie	offlineimap3	Not reported	AffectedDistribution reports no fix	[CVE-2020-37248]
Debiantrixie	offlineimap3	`0.0~git20240826.db34745+dfsg-2`	Affected	[CVE-2020-37248]

Original provider fields

{
  "package_releases": [
    {
      "name": "offlineimap3",
      "status": "fixed",
      "release": "sid",
      "version": "8.0.3+dfsg-2"
    },
    {
      "name": "offlineimap3",
      "status": "fixed",
      "release": "forky",
      "version": "8.0.3+dfsg-2"
    },
    {
      "name": "offlineimap3",
      "status": "vulnerable",
      "release": "trixie",
      "version": "0.0~git20240826.db34745+dfsg-2"
    },
    {
      "name": "offlineimap3",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "0.0~git20211018.e64c254+dfsg-2"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1139329,
      "name": "offlineimap3",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "8.0.3+dfsg-1"
    },
    {
      "bug": 1139329,
      "name": "offlineimap3",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "8.0.3+dfsg-1"
    },
    {
      "bug": 1139329,
      "name": "offlineimap3",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1139329,
      "name": "offlineimap3",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "offlineimap3",
      "fixed_version": "not yet fixed",
      "applicability_unknown": true
    }
  ]
}

[Debian bug #1139329]

Publisher notes

[trixie] offlineimap3: Minor issue [bookworm] offlineimap3: Minor issue

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[offlineimap]Unknown
Source package: [offlineimap3]
Details (2)
- 7.3.3+dfsg1-1+0.0~git20211018.e64c254+dfsg-2 · all · bookworm
  Affected
  nvd · offlineimap3 · debian · bookworm; nvd · offlineimap3 · debian · 12
- 7.3.3+dfsg1-1+0.0~git20211018.e64c254+dfsg-2 · all · bookworm
  Affected
  nvd · offlineimap3 · debian · bookworm; nvd · offlineimap3 · debian · 12
[offlineimap3]Unknown
Details (2)
- 0.0~git20211018.e64c254+dfsg-2 · all · bookworm
  Affected
  nvd · offlineimap3 · debian · bookworm; nvd · offlineimap3 · debian · 12
- 0.0~git20211018.e64c254+dfsg-2 · all · bookworm
  Affected
  nvd · offlineimap3 · debian · bookworm; nvd · offlineimap3 · debian · 12

[Debian 13 (Trixie)]

[offlineimap]Unknown
Source package: [offlineimap3]
Details (2)
- 7.3.3+dfsg1-1+0.0~git20240826.db34745+dfsg-2 · all · trixie
  Affected
  nvd · offlineimap3 · debian · 13
- 7.3.3+dfsg1-1+0.0~git20240826.db34745+dfsg-2 · all · trixie
  Affected
  nvd · offlineimap3 · debian · 13
[offlineimap3]Unknown
Details (2)
- 0.0~git20240826.db34745+dfsg-2 · all · trixie
  Affected
  nvd · offlineimap3 · debian · 13
- 0.0~git20240826.db34745+dfsg-2 · all · trixie
  Affected
  nvd · offlineimap3 · debian · 13

Observed: Oct 23, 2026, 5:52:46 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]