How severe is CVE-2023-33277?

CVE-2023-33277 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-33277 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33277?

CVE-2023-33277 primarily affects Gira Knx Ip Router Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-33277?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-33277 published?

CVE-2023-33277 was published on 2023-06-29 and last updated on 2026-06-17.

CVE-2023-33277

CVE-2023-33277 is a high-severity vulnerability in Gira Knx Ip Router Firmware with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Gira Knx Ip Router Firmware
Published: 2023-06-29
Last modified: 2026-06-17

Description

The web interface of Gira Giersiepen Gira KNX/IP-Router 3.1.3683.0 and 3.3.8.0 allows a remote attacker to read sensitive files via directory-traversal sequences in the URL.

Frequently asked questions

What is CVE-2023-33277?: The web interface of Gira Giersiepen Gira KNX/IP-Router 3.1.3683.0 and 3.3.8.0 allows a remote attacker to read sensitive files via directory-traversal sequences in the URL.
How severe is CVE-2023-33277?: CVE-2023-33277 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-33277 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33277?: CVE-2023-33277 primarily affects Gira Knx Ip Router Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-33277?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-33277 published?: CVE-2023-33277 was published on 2023-06-29 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:gira:knx_ip_router_firmware:3.1.3683.0:*:*:*:*:*:*:*
cpe:2.3:o:gira:knx_ip_router_firmware:3.3.8.0:*:*:*:*:*:*:*

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