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CVE-2017-5603

22
FAUCET Score

CVE-2017-5603 describes an incorrect implementation of XEP-0280: Message Carbons in Jitsi versions 2.5.5061 through 2.9.5544, enabling remote attackers to impersonate any user within the application's display for social engineering. This vulnerability has a CVSSv3 score of 5.9 (Medium), indicating a network-based attack with high impact on integrity but requiring high attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.5.5061CPE matchmatch criteria
cpe:2.3:a:jitsi:jitsi:2.5.5061:*:*:*:*:*:*:*
2.9.5544CPE matchmatch criteria
cpe:2.3:a:jitsi:jitsi:2.9.5544:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.55%
Probability of exploitation in next 30 days
EPSS Percentile
72.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0155 is in the 48th percentile among its peer group of 19,954 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

openwall.com / lists/oss-security/2017/02/09/29
ExploitMailing ListThird Party Advisory
github.com / jitsi/jitsi/commit/7d66da61b316c9480b63000f831b6de723b87315
Patch
rt-solutions.de / en/2017/02/CVE-2017-5589_xmpp_carbons
ExploitTechnical DescriptionThird Party Advisory
rt-solutions.de / wp-content/uploads/2017/02/CVE-2017-5589_xmpp_carbons.pdf
ExploitTechnical DescriptionThird Party Advisory
securityfocus.com / bid/96174