CVE-2010-0554

CVE-2010-0554 is a high-severity vulnerability in Geopp Geo++ Gncaster with a CVSS 2.0 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-287.

Key facts

Description

The HTTP Authentication implementation in Geo++ GNCASTER 1.4.0.7 and earlier uses the same nonce for all authentication, which allows remote attackers to hijack web sessions or bypass authentication via a replay attack.

Frequently asked questions

What is CVE-2010-0554?
The HTTP Authentication implementation in Geo++ GNCASTER 1.4.0.7 and earlier uses the same nonce for all authentication, which allows remote attackers to hijack web sessions or bypass authentication via a replay attack.
How severe is CVE-2010-0554?
CVE-2010-0554 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2010-0554 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0554?
CVE-2010-0554 primarily affects Geopp Geo++ Gncaster. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0554?
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-2010-0554 published?
CVE-2010-0554 was published on 2010-02-04 and last updated on 2026-06-16.

References

Affected products (2)

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