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CVE-2020-3537

16
FAUCET Score

CVE-2020-3537 describes a sensitive information disclosure vulnerability in Cisco Jabber for Windows. An authenticated, remote attacker can exploit this by sending specially crafted messages with UNC links, tricking a user into clicking them. This medium-severity vulnerability (CVSS 5.7) requires user interaction and could allow an attacker to access sensitive information from a remote system. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 12.1, < 12.1.3CPE matchmatch criteria
cpe:2.3:a:cisco:jabber:*:*:*:*:*:windows:*:*
>= 12.5, < 12.5.2CPE matchmatch criteria
cpe:2.3:a:cisco:jabber:*:*:*:*:*:windows:*:*
>= 12.6, < 12.6.3CPE matchmatch criteria
cpe:2.3:a:cisco:jabber:*:*:*:*:*:windows:*:*
>= 12.7, < 12.7.2CPE matchmatch criteria
cpe:2.3:a:cisco:jabber:*:*:*:*:*:windows:*:*
>= 12.8, < 12.8.3CPE matchmatch criteria
cpe:2.3:a:cisco:jabber:*:*:*:*:*:windows:*:*

CVSS Data

CVSS version used by this source: 3.1

5.7MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.27%
Probability of exploitation in next 30 days
EPSS Percentile
66.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0127 is in the 95th percentile among its peer group of 15,239 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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-G3NSjPn7
Vendor Advisory