How severe is CVE-2025-2977?

CVE-2025-2977 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-2977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-2977?

CVE-2025-2977 affects Gfi Kerio Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-2977?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-2977 have an EU (EUVD) identifier?

Yes. CVE-2025-2977 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15090.

When was CVE-2025-2977 published?

CVE-2025-2977 was published on 2025-03-31 and last updated on 2026-06-17.

CVE-2025-2977

CVE-2025-2977 is a low-severity vulnerability in Gfi Kerio Connect with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 3.x base score 3.5)
CVSS v2: 4.0
CVSS v4: 5.1
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-15090
Weakness: CWE-79
Affected product: Gfi Kerio Connect
Published: 2025-03-31
Last modified: 2026-06-17

Description

A vulnerability was found in GFI KerioConnect 10.0.6. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component PDF File Handler. The manipulation leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-2977?: A vulnerability was found in GFI KerioConnect 10.0.6. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component PDF File Handler. The manipulation leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-2977?: CVE-2025-2977 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-2977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-2977?: CVE-2025-2977 affects Gfi Kerio Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-2977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-2977 have an EU (EUVD) identifier?: Yes. CVE-2025-2977 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-15090.
When was CVE-2025-2977 published?: CVE-2025-2977 was published on 2025-03-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gfi:kerio_connect:10.0.6:-:*:*:*:*:*:*

More vulnerabilities in Gfi Kerio Connect

CVE-2023-25267 — High (CVSS 8.8): An issue was discovered in GFI Kerio Connect 9.4.1 patch 1 (fixed in 10.0.0). There is a stack-based Buffer Overflow in…
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CVE-2025-2976 — Low (CVSS 3.5): A vulnerability was found in GFI KerioConnect 10.0.6. It has been classified as problematic. Affected is an unknown…
CVE-2025-2975 — Low (CVSS 3.5): A vulnerability was found in GFI KerioConnect 10.0.6 and classified as problematic. This issue affects some unknown…

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