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MozillaCVE-2020-15646

HistoryOct 08, 2020 - 2:15 p.m.

CVE-2020-15646

2020-10-0814:15:12

mozilla

web.nvd.nist.gov

150

cve-2020-15646

thunderbird

security vulnerability

microsoft exchange

autodiscovery

password interception

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

6.3

Confidence

High

EPSS

0.002

Percentile

55.1%

JSON

If an attacker intercepts Thunderbird’s initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0.

Affected configurations

Nvd

Vulners

Node

mozillathunderbirdRange<68.10.0

VendorProductVersionCPE
mozillathunderbird*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mozilla	thunderbird	*	cpe:2.3:a:mozilla:thunderbird::::::::

CNA Affected

[
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "68.10.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]