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vulnrichmentCiscoVULNRICHMENT:CVE-2024-20401
HistoryJul 17, 2024 - 4:26 p.m.

CVE-2024-20401

2024-07-1716:26:38
cisco
github.com
13
cisco secure email gateway
remote attackers
file overwrite
crafted attachment
file system
denial of service
dos
tac

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.6

Confidence

High

EPSS

0

Percentile

9.3%

SSVC

Exploitation

none

Automatable

yes

Technical Impact

total

A vulnerability in the content scanning and message filtering features of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to overwrite arbitrary files on the underlying operating system.

This vulnerability is due to improper handling of email attachments when file analysis and content filters are enabled. An attacker could exploit this vulnerability by sending an email that contains a crafted attachment through an affected device. A successful exploit could allow the attacker to replace any file on the underlying file system. The attacker could then perform any of the following actions: add users with root privileges, modify the device configuration, execute arbitrary code, or cause a permanent denial of service (DoS) condition on the affected device.

Note: Manual intervention is required to recover from the DoS condition. Customers are advised to contact the Cisco Technical Assistance Center (TAC) to help recover a device in this condition.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:cisco:secure_email:-:*:*:*:*:*:*:*"
    ],
    "vendor": "cisco",
    "product": "secure_email",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "15.5.1-055",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.6

Confidence

High

EPSS

0

Percentile

9.3%

SSVC

Exploitation

none

Automatable

yes

Technical Impact

total

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