CVE-2010-0554

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-02-04 · updated 2026-06-16
Weakness: CWE-287

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.

Affected products

Geopp Geo++ Gncaster: through 1.4.0.7; 1.4.0.0

References

http://osvdb.org/62014
http://secunia.com/advisories/38323
http://www.redteam-pentesting.de/en/advisories/rt-sa-2010-003/-geo-r-gncaster-faulty-implementation-of-http-digest-authentication
http://www.securityfocus.com/archive/1/509199/100/0/threaded
https://exchange.xforce.ibmcloud.com/vulnerabilities/55977
http://osvdb.org/62014
http://secunia.com/advisories/38323
http://www.redteam-pentesting.de/en/advisories/rt-sa-2010-003/-geo-r-gncaster-faulty-implementation-of-http-digest-authentication
http://www.securityfocus.com/archive/1/509199/100/0/threaded
https://exchange.xforce.ibmcloud.com/vulnerabilities/55977

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