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CVE-2012-3579· NVD / CVE Program· CNA mitre

Symantec Messaging Gateway (SMG) before 10.0 has a default password for an unspecified account, which makes it easier for remote attackers t

Symantec Messaging Gateway (SMG) before 10.0 has a default password for an unspecified account, which makes it easier for remote attackers to obtain privileged access via an SSH session.

HighCVSS 7.9 · v2.0—Weaponized No fix recorded
Published
Aug 29, 2012
Updated
Jun 16, 2026
EPSS
40.2% · 99th percentile
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Report tools

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Action score

43

Plan

Add it to your regular patch cycle.

CVSS
31 / 40 · 7.9 / 10
CISA KEV
0 / 30 · Not listed
EPSS
12 / 30 · 40.2%

Affected systems

VendorProduct
symantecmessaging gateway

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • symantec messaging gatewayup to 9.5.4 inclusive
  • symantec messaging gateway9.5
  • symantec messaging gateway9.5.1
  • symantec messaging gateway9.5.2
  • symantec messaging gateway9.5.3

Same product

symantec: all records

Other highest-scoring records for the same primary product.

  • CVE-2017-6326The Symantec Messaging Gateway can encounter an issue of remote code execution, which describes a situation whereby an individual may obtain
    62This week
  • CVE-2016-5312Directory traversal vulnerability in the charting component in Symantec Messaging Gateway before 10.6.2 allows remote authenticated users to
    42Plan
  • CVE-2018-12242The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to an authentication bypass exploit, which is a type of issue that
    40Plan
  • CVE-2012-4347Multiple directory traversal vulnerabilities in the management console in Symantec Messaging Gateway (SMG) 9.5.x allow remote authenticated
    38Monitor
  • CVE-2018-12243The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to a XML external entity (XXE) exploit, which is a type of issue w
    35Monitor
  • CVE-2016-2203The management console on Symantec Messaging Gateway (SMG) Appliance devices before 10.6.1 allows local users to discover an encrypted AD pa
    33Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entryremote2012-08-30
Metasploit moduleexploit/linux/ssh/symantec_smg_sshSymantec Messaging Gateway 9.5 Default SSH Password Vulnerabilityexploit2012-08-27

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-2 d
  2. Published
  3. First PoC+1 d
  4. TodaySep 30, 2026+5145 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

    If successful

    Confidentiality
    C · data can be read
    Integrity
    C · data or configuration can be modified
    Availability
    C · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    C
    Integrity impact
    C
    Availability impact
    C

    Weakness class (CWE)

    CWE-264 · Permissions, Privileges, and Access Controls

    CVSS vector

    AV:A/AC:M/Au:N/C:C/I:C/A:C

    nvd-primary

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    MITRE has no CAPEC/ATT&CK mapping for this CWE.

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    Change log

    No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records