Which products and versions are affected by CVE-2020-3495?

Affected: Jabber (Cisco) versions >= n/a. The full list is in the CVE brief.

Is CVE-2020-3495 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2020-3495 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2020-3495?

No public exploit code is known.

Is there a fix for CVE-2020-3495?

Fixed versions are available, including Jabber 12.1.3.

How urgently should CVE-2020-3495 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2020-3495

High

A vulnerability in Cisco Jabber for Windows could allow an authenticated, remote attacker to execute arbitrary code.

Published Dec 11, 2020 · Updated Nov 13, 2024

Key Facts

Patch immediately

CVE-2020-3495 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Jabber (Cisco).
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 61% probability of exploitation in the next 30 days.
Fixed versions are available, including Jabber 12.1.3.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

8.8

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

EPSS (30-day exploit likelihood)

61%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2020-3495 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

A vulnerability in Cisco Jabber for Windows could allow an authenticated, remote attacker to execute arbitrary code. The vulnerability is due to improper validation of message contents. An attacker could exploit this vulnerability by sending specially crafted Extensible Messaging and Presence Protocol (XMPP) messages to the affected software. A successful exploit could allow the attacker to cause the application to execute arbitrary programs on the targeted system with the privileges of the user account that is running the Cisco Jabber client software, possibly resulting in arbitrary code execution.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
JabberCisco	>= n/a	12.1.3

Patched Releases

Jabber

12.1.3

Timeline

Publicly disclosed
Dec 11, 2020
Last updated
Nov 13, 2024

Weakness Type

CWE-20 Improper Input Validation

References

FAQ

Common Questions.

A vulnerability in Cisco Jabber for Windows could allow an authenticated, remote attacker to execute arbitrary code.
Affected: Jabber (Cisco) versions >= n/a. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Jabber 12.1.3.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2020-3495 Running On Your Attack Surface?

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