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CVE-2020-27132

29
FAUCET Score

CVE-2020-27132 describes multiple critical vulnerabilities in Cisco Jabber for Windows, MacOS, and mobile platforms, allowing attackers to execute arbitrary code with elevated privileges or access sensitive information. With a CVSS score of 9.9, it presents a severe risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. While no public exploit code (Metasploit, Nuclei, ExploitDB) is currently available and it's not listed in CISA KEV, the vulnerability has garnered significant media attention and community discussion, indicating its potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
12.9\(0\)CPE matchmatch criteria
cpe:2.3:a:cisco:jabber:12.9\(0\):*:*:*:*:macos:*:*
12.9\(0\)CPE matchmatch criteria
cpe:2.3:a:cisco:jabber:12.9\(0\):*:*:*:*:windows:*:*
12.9\(1\)CPE matchmatch criteria
cpe:2.3:a:cisco:jabber:12.9\(1\):*:*:*:*:macos:*:*
12.9\(1\)CPE matchmatch criteria
cpe:2.3:a:cisco:jabber:12.9\(1\):*:*:*:*:windows:*:*
12.9\(2\)CPE matchmatch criteria
cpe:2.3:a:cisco:jabber:12.9\(2\):*:*:*:*:macos:*:*

CVSS Data

CVSS version used by this source: 3.1

9.9CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.1
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.43%
Probability of exploitation in next 30 days
EPSS Percentile
70.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0143 is in the 77th percentile among its peer group of 1,128 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-jabber-ZktzjpgO
Vendor Advisory