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CVE-2005-4499

UnknownEPSS 1.97%

Last modified

CVE-2005-4499 is a vulnerability of currently unknown severity. The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an ACL on the Cisco Secure Access Control Server (CS ACS), generates a random internal name for an ACL that is also used as a hidden user name and password, which allows remote attackers to gain privileges by sniffing the username from the cleartext portion of a RADIUS session, then using the password to log in to another device that uses CS ACS.. EPSS estimates a 1.97% chance of exploitation in the next 30 days.

Description

The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an ACL on the Cisco Secure Access Control Server (CS ACS), generates a random internal name for an ACL that is also used as a hidden user name and password, which allows remote attackers to gain privileges by sniffing the username from the cleartext portion of a RADIUS session, then using the password to log in to another device that uses CS ACS.

Metrics

EPSS Probability
1.97%

77.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
CiscoVpn 3001 ConcentratorAll versions
CiscoVpn 3015 ConcentratorAll versions
CiscoVpn 3020 ConcentratorAll versions
CiscoVpn 3030 ConcentatorAll versions
CiscoVpn 3060 ConcentratorAll versions
CiscoVpn 3080 ConcentratorAll versions
CiscoAdaptive Security Appliance Software7.0
CiscoAdaptive Security Appliance Software7.0\(4\)
CiscoAdaptive Security Appliance Software7.0.1.4
CiscoAdaptive Security Appliance Software7.0.4.3
CiscoVpn 3000 Concentrator Series Software2.0
CiscoVpn 3000 Concentrator Series Software2.5.2.a
CiscoVpn 3000 Concentrator Series Software2.5.2.b
CiscoVpn 3000 Concentrator Series Software2.5.2.c
CiscoVpn 3000 Concentrator Series Software2.5.2.d
CiscoVpn 3000 Concentrator Series Software2.5.2.f
CiscoVpn 3000 Concentrator Series Software3.0
CiscoVpn 3000 Concentrator Series Software3.0.3.a
CiscoVpn 3000 Concentrator Series Software3.0.3.b
CiscoVpn 3000 Concentrator Series Software3.0.4
CiscoVpn 3000 Concentrator Series Software3.1
CiscoVpn 3000 Concentrator Series Software3.1\(rel\)
CiscoVpn 3000 Concentrator Series Software3.1.1
CiscoVpn 3000 Concentrator Series Software3.1.2
CiscoVpn 3000 Concentrator Series Software3.1.4
CiscoVpn 3000 Concentrator Series Software3.5\(rel\)
CiscoVpn 3000 Concentrator Series Software3.5.1
CiscoVpn 3000 Concentrator Series Software3.5.2
CiscoVpn 3000 Concentrator Series Software3.5.3
CiscoVpn 3000 Concentrator Series Software3.5.4
CiscoVpn 3000 Concentrator Series Software3.5.5
CiscoVpn 3000 Concentrator Series Software3.6
CiscoVpn 3000 Concentrator Series Software3.6.1
CiscoVpn 3000 Concentrator Series Software3.6.3
CiscoVpn 3000 Concentrator Series Software3.6.5
CiscoVpn 3000 Concentrator Series Software3.6.7
CiscoVpn 3000 Concentrator Series Software3.6.7.a
CiscoVpn 3000 Concentrator Series Software3.6.7.b
CiscoVpn 3000 Concentrator Series Software3.6.7.c
CiscoVpn 3000 Concentrator Series Software3.6.7.d
CiscoVpn 3000 Concentrator Series Software3.6.7.f
CiscoVpn 3000 Concentrator Series Software3.6.7d
CiscoVpn 3000 Concentrator Series Software4.0
CiscoVpn 3000 Concentrator Series Software4.0.1
CiscoVpn 3000 Concentrator Series Software4.0.2
CiscoVpn 3000 Concentrator Series Software4.0.5.b
CiscoVpn 3000 Concentrator Series Software4.1.5.b
CiscoVpn 3000 Concentrator Series Software4.1.7.a
CiscoVpn 3000 Concentrator Series Software4.1.7.b
CiscoVpn 3000 Concentrator Series Software4.7.1

Showing 50 of 153 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2005-4499?
The Downloadable RADIUS ACLs feature in Cisco PIX and VPN 3000 concentrators, when creating an ACL on the Cisco Secure Access Control Server (CS ACS), generates a random internal name for an ACL that is also used as a hidden user name and password, which allows remote attackers to gain privileges by sniffing the username from the cleartext portion of a RADIUS session, then using the password to log in to another device that uses CS ACS.
How severe is CVE-2005-4499?
Severity scoring for CVE-2005-4499 is pending analysis. The EPSS model estimates a 1.97% probability of exploitation in the next 30 days.
How do I fix CVE-2005-4499?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2005-4499?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST