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CVE-2012-4595

23
FAUCET Score

CVE-2012-4595 describes an authentication bypass vulnerability affecting McAfee Email and Web Security (EWS) versions 5.5 through Patch 6 and 5.6 through Patch 3, as well as McAfee Email Gateway (MEG) versions 7.0.0 and 7.0.1. This critical flaw allows remote attackers to gain an administrative session ID without proper authentication, potentially leading to full compromise of the affected systems. With a CVSS score of 7.5, this vulnerability is easily exploitable over the network with low attack complexity, resulting in potential compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.5CPE matchmatch criteria
cpe:2.3:a:mcafee:email_and_web_security:5.5:*:*:*:*:*:*:*
5.6CPE matchmatch criteria
cpe:2.3:a:mcafee:email_and_web_security:5.6:*:*:*:*:*:*:*
7.0.0CPE matchmatch criteria
cpe:2.3:a:mcafee:email_gateway:7.0.0:*:*:*:*:*:*:*
7.0.1CPE matchmatch criteria
cpe:2.3:a:mcafee:email_gateway:7.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.53%
Probability of exploitation in next 30 days
EPSS Percentile
83.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0253 is in the 70th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

envoyvendor investigatingvia llm_extracted
mozillavendor investigatingvia llm_extracted
pythonvendor investigatingvia llm_extracted

Vendor Advisories (3)

mozillallm-mozilla-3243fd64a15ae2ccCRITICAL

[R1] McAfee Email and Web Security / Email Gateway Multiple Vulnerabilities

Aug 22, 2012
envoyllm-envoy-67bc63d826b1841fCRITICAL

[R1] McAfee Email and Web Security / Email Gateway Multiple Vulnerabilities

Aug 22, 2012
pythonllm-python-a3f256753fbad7f8CRITICAL

[R1] McAfee Email and Web Security / Email Gateway Multiple Vulnerabilities

Aug 22, 2012

References

exchange.xforce.ibmcloud.com / vulnerabilities/77977
kc.mcafee.com / corporate/index
Vendor Advisory
securitytracker.com / id