CVE-2020-3134

mediumPriorität · verfolgen · 26EPSS 0.011 · 65. PerzentilEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.09% (65th) EPSS

CVSS 6.4 · medium

Is it mine?

7 products

Prüfe deine Angriffsfläche

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · bewertet 2026-10-27

A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of zip files. An attacker could exploit this vulnerability by sending an email message with a crafted zip-compressed attachment. A successful exploit could trigger a restart of the content-scanning process, causing a temporary DoS condition. This vulnerability affects Cisco AsyncOS Software for Cisco ESA releases earlier than 13.0.

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

BehobenCisco Email Security Appliance (ESA)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

6.5

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen

v2.06.4mediumAV:N/AC:L/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 4.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Lprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 2.5

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Lsecondary · ENISA EU

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Lsecondary · psirt@cisco.com USAusnutzbarkeit 3.9 · Auswirkung 2.5

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Lsecondary · Cisco PSIRT US

v3.16.5mediumAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Lsecondary · FSTEC (BDU) RU

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:Usecondary · CVSS-BT (t0sche)

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-20USprimärCWE-20US

betroffene Produkte (7)

Betroffene Produkte und Versionsbereiche.

Cisco Cisco Email Security Appliance (ESA)alle Versionencisco_csafUS
Cisco Cisco Email Security Appliance (ESA)≤ earlier than 13.0enisa_euvdEU
Cisco Systems Inc. Cisco Email Security Appliances≤ 13.0.0-226fstec_bduRU
Cisco Systems Inc. Cisco Email Security Appliances≤ 12.1-091fstec_bduRU
Cisco Systems Inc. Cisco Email Security Appliances≤ 12.1-071fstec_bduRU
Cisco Systems Inc. Cisco Email Security Appliances≤ 11.1.8-076fstec_bduRU
cisco email security appliance< 13.0nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

cisco-sa-esa-dos-87mBkc8nCisco Email Security Appliance Zip Decompression Engine Denial of Service Vulnerability2020-01-22csaf · cisco_csafUS
A vulnerability in the zip decompression engine of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of zip files. An attacker could exploit this vulnerability by sending an email message with a crafted zip-compressed attachment. A successful exploit could trigger a restart of the content-scanning process, causing a temporary DoS condition. Cisco has released software updates that address the vulnerability described in this advisory. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-dos-87mBkc8n ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-dos-87mBkc8n"]

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu cisco_csaf nvd NVD CVE.org MITRE

veröffentlicht 2020-01-26geändert 2026-06-17

verwandt (25,176)

Verwandte Einträge.

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+25171 weitere

Referenzen (8)

Externe Belege — Patches, Meldungen, Analysen.

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