CVE-2015-4334
The default configuration of SGOS in Blue Coat ProxySG before 6.2.16.5, 6.5 before 6.5.7.1, and 6.6 before 6.6.2.1 forwards authentication challenges from upstream origin content servers (OCS) when used in an explicit proxy deployment, which makes it…
Does this matter?
Lower severity and a low EPSS score (3.33%). Track it; it rarely justifies an emergency change on its own.
Description
The default configuration of SGOS in Blue Coat ProxySG before 6.2.16.5, 6.5 before 6.5.7.1, and 6.6 before 6.6.2.1 forwards authentication challenges from upstream origin content servers (OCS) when used in an explicit proxy deployment, which makes it easier for remote attackers to obtain sensitive information via a 407 (aka Proxy Authentication Required) HTTP status code, as demonstrated when using NTLM authentication.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
- EPSS
- 3.33% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- symantec/proxysg firmware
- Source
- cve@mitre.org
References
- http://www.securitytracker.com/id/1032149Third Party Advisory, VDB Entry
- https://bto.bluecoat.com/security-advisory/sa93Vendor Advisory
- https://twitter.com/bugch3ck/status/591492380294979585Third Party Advisory
- http://www.securitytracker.com/id/1032149Third Party Advisory, VDB Entry
- https://bto.bluecoat.com/security-advisory/sa93Vendor Advisory
- https://twitter.com/bugch3ck/status/591492380294979585Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.