CVE-2015-0607

UnknownEPSS 1.97%

Last modified

CVE-2015-0607 is a vulnerability of currently unknown severity. The Authentication Proxy feature in Cisco IOS does not properly handle invalid AAA return codes from RADIUS and TACACS+ servers, which allows remote attackers to bypass authentication in opportunistic circumstances via a connection attempt that triggers an invalid code, as demonstrated by a connection attempt with a blank password, aka Bug IDs CSCuo09400 and CSCun16016.. EPSS estimates a 1.97% chance of exploitation in the next 30 days.

Description

The Authentication Proxy feature in Cisco IOS does not properly handle invalid AAA return codes from RADIUS and TACACS+ servers, which allows remote attackers to bypass authentication in opportunistic circumstances via a connection attempt that triggers an invalid code, as demonstrated by a connection attempt with a blank password, aka Bug IDs CSCuo09400 and CSCun16016.

Metrics

EPSS Probability
1.97%

77.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos15.4\(1\)t
CiscoIos15.4\(1\)t1
CiscoIos15.4\(1\)t2
CiscoIos15.4\(1\)t3
CiscoIos15.4\(1\)t4
CiscoIos15.4\(2\)t
CiscoIos15.4\(2\)t1
CiscoIos15.4\(2\)t2
CiscoIos15.4\(2\)t3
CiscoIos15.4\(100\)t
CiscoIos15.4t

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-0607?
The Authentication Proxy feature in Cisco IOS does not properly handle invalid AAA return codes from RADIUS and TACACS+ servers, which allows remote attackers to bypass authentication in opportunistic circumstances via a connection attempt that triggers an invalid code, as demonstrated by a connection attempt with a blank password, aka Bug IDs CSCuo09400 and CSCun16016.
How severe is CVE-2015-0607?
Severity scoring for CVE-2015-0607 is pending analysis. The EPSS model estimates a 1.97% probability of exploitation in the next 30 days.
How do I fix CVE-2015-0607?
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-2015-0607?

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

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Source: NVD / NIST