CVE-2025-2977Public exploitNetwork attack vector

Authenticated script execution via crafted PDF

Published Mar 31, 2025 · Updated Mar 31, 2025

Cross-site scripting in GFI Software Kerio Connect 10.0.6 allows remote authenticated users to execute script via crafted PDF content. The public record names the PDF File Handler but does not disclose which parsing, validation, or output-encoding operation mishandles the input. A valid account and passive interaction by another user are required, and the published consequence is limited to browser-context data modification.

CVSS severity5.1
Medium
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in GFI Software Kerio Connect 10.0.6 allows remote authenticated users to execute script via crafted PDF content. The public record names the PDF File Handler but does not disclose which parsing, validation, or output-encoding operation mishandles the input. A valid account and passive interaction by another user are required, and the published consequence is limited to browser-context data modification.

The record

CVE
CVE-2025-2977
Published
Mar 31, 2025
Updated
Mar 31, 2025
Vendor
GFI Software
Product
Kerio Connect
Classifications
CWE-94, CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 31, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 31, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.0.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GFI Software · Kerio Connectversion=10.0.6

Published CVSS scores

3.5VulDB CNACVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
5.1VulDB CNACVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
4.0VulDB CNAAV:N/AC:L/Au:S/C:N/I:P/A:N
3.5VulDB CNACVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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