How severe is CVE-2010-0551?

CVE-2010-0551 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2010-0551 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0551?

CVE-2010-0551 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-2010-0551?

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

When was CVE-2010-0551 published?

CVE-2010-0551 was published on 2010-02-04 and last updated on 2026-06-16.

CVE-2010-0551

CVE-2010-0551 is a medium-severity vulnerability in Geopp Geo++ Gncaster with a CVSS 2.0 base score of 5.0. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Geopp Geo++ Gncaster
Published: 2010-02-04
Last modified: 2026-06-16

Description

HTTP authentication implementation in Geo++ GNCASTER 1.4.0.7 and earlier allows remote attackers to read authentication headers of other users via a large request with an incorrect authentication attempt, which includes sensitive memory in the response. NOTE: this is referred to as a "memory leak" by some sources, but is better characterized as "memory disclosure."

Frequently asked questions

What is CVE-2010-0551?: HTTP authentication implementation in Geo++ GNCASTER 1.4.0.7 and earlier allows remote attackers to read authentication headers of other users via a large request with an incorrect authentication attempt, which includes sensitive memory in the response. NOTE: this is referred to as a "memory leak" by some sources, but is better characterized as "memory disclosure."
How severe is CVE-2010-0551?: CVE-2010-0551 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2010-0551 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0551?: CVE-2010-0551 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-2010-0551?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-0551 published?: CVE-2010-0551 was published on 2010-02-04 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:geopp:geo\+\+_gncaster:*:*:*:*:*:*:*:*
cpe:2.3:a:geopp:geo\+\+_gncaster:1.4.0.0:*:*:*:*:*:*:*

More vulnerabilities in Geopp Geo++ Gncaster

CVE-2010-0554 — High (CVSS 7.5): The HTTP Authentication implementation in Geo++ GNCASTER 1.4.0.7 and earlier uses the same nonce for all…
CVE-2010-0552 — High (CVSS 7.5): Geo++ GNCASTER 1.4.0.7 and earlier allows remote attackers to cause a denial of service (application crash) and…
CVE-2010-0553 — Medium (CVSS 6.5): Geo++ GNCASTER 1.4.0.7 and earlier allows remote authenticated users to cause a denial of service (application crash)…
CVE-2010-0550 — Medium (CVSS 4.0): admin.htm in Geo++ GNCASTER 1.4.0.7 and earlier does not properly enforce HTTP Digest Authentication, which allows…

All CVEs affecting Geopp Geo++ Gncaster →

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