Skip to main content

CVE detail

CVE-2020-3430

A vulnerability in the application protocol handling features of Cisco Jabber for Windows could allow an unauthenticated, remote attacker to execute arbitrary commands. The vulnerability is due to improper handling of input to the application protocol handlers. An attacker could exploit this vulnerability by convincing a user to click a link within a message sent by email or other messaging platform. A successful exploit could allow the attacker to execute arbitrary commands on a targeted system with the privileges of the user account that is running the Cisco Jabber client software.

CVSS 8.8 · HighBuzz score 17.5

Buzz score

Why this CVE is surfacing

Buzz score total 17.5

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 11.0 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
11.0
2 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
2 source links · newest first
  • Cisco last week released patches to address a critical remote code execution vulnerability in Jabber for Windows.

    newswww.securityweek.comSep 7, 2020, 2:22 PM
  • Cisco has patched four vulnerabilities in its Jabber client for Windows, the most critical of which (CVE-2020-3495) could allow attackers to achieve remote code execution by sending specially crafted chat messages. “No user interaction is required, and the vulnerability can be exploited even when Cisco Jabber is running in the background,” Oslo-based cybersecurity company Watchcom explained. That particular flaw is also wormable, they say. CVE-2020-3495 Cisco Jabber is a video conferencing and instant messaging application … More →

    newswww.helpnetsecurity.comSep 3, 2020, 9:49 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence
  • CVE-2020-26085

    Multiple vulnerabilities in Cisco Jabber for Windows, Jabber for MacOS, and Jabber for mobile platforms could allow an attacker to execute arbitrary programs on the underlying ope…

    CVSS 9.9 · Critical
    3 mentions
  • CVE-2026-56389

    GNU Bison allows for an execution of an arbitrary program during HTML report generation due to improper handling of grammar-defined configuration variables. A grammar file can ove…

    CVSS 6.8 · Medium
    3 mentions
  • CVE-2026-14959

    IBM Aspera Faspex 5 5.0.0 through 5.0.15.4 could allow a remote authenticated attacker to execute arbitrary code due to shell command injection.

    CVSS 9.1 · Critical
    1 mention
  • CVE-2026-14958

    IBM Aspera Faspex 5 5.0.0 through 5.0.15.4 could allow a remote authenticated attacker to execute arbitrary code due to unquoted shell interpolation.

    CVSS 9.1 · Critical
    1 mention
  • CVE-2026-61376

    ELECOM wireless LAN routers and access points devices contain an OS Command Injection vulnerability in Restore Settings. If this vulnerability is exploited, an arbitrary OS comman…

    CVSS 8.6 · High
    2 mentions
  • CVE-2026-59764

    ELECOM wireless LAN routers and access points devices contain an OS Command Injection vulnerability in WebUI. If this vulnerability is exploited, an arbitrary OS command may be ex…

    CVSS 8.6 · High
    2 mentions