CVE-2016-5312 (GCVE-0-2016-5312)

Vulnerability from cvelistv5 – Published: 2017-04-14 18:00 – Updated: 2024-08-06 01:00
VLAI Shadowserver KEVIntel
Summary
Directory traversal vulnerability in the charting component in Symantec Messaging Gateway before 10.6.2 allows remote authenticated users to read arbitrary files via a .. (dot dot) in the sn parameter to brightmail/servlet/com.ve.kavachart.servlet.ChartStream.
Severity
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • n/a
Assigner
References
Date Public
2016-09-27 00:00
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a89141a5-2a65-404b-88ee-1b729e6525df

Vulnerability ID: CVE-2016-5312

Status: Confirmed

Status Updated: 2026-08-22 00:00 UTC

Exploited: Yes

Characteristics
Severity: 65.0
Timestamps
First Seen: 2026-08-15
Asserted: 2026-08-15
Last Seen: 2026-08-22
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Symantec / Symantec Messaging Gateway | Class: email | Severity: Medium (CVSS 6.5) | IoT: no | In CISA KEV: no | Honeypot connections on 2026-08-22: 12
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class email
7D Avg 0
Vendor Symantec
30D Avg 0
90D Avg 0
Product Symantec Messaging Gateway
Cisa Kev no
Connections 12
Observation Date 2026-08-22
Vulnerability Class CVSS
Vulnerability Score 6.5
Vulnerability Severity Medium
References
Created: 2026-08-17 01:00 UTC | Updated: 2026-08-24 01:02 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 2d4b086b-a4ca-49c2-bc57-45ccb3c680cf

Vulnerability ID: CVE-2016-5312

Status: Confirmed

Status Updated: 2026-08-15 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-08-15
Asserted: 2026-08-15
Scope
Notes: Directory traversal vulnerability in the charting component in Symantec Messaging Gateway before 10.6.2 allows remote authenticated users to read... | Affected: Symantec / Messaging Gateway | CVSS: 6.5 (MEDIUM) | EPSS: 0.53702 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Directory traversal vulnerability in the charting component in Symantec Messaging Gateway before 10.6.2 allows remote authenticated users to read...
Vendor Symantec
Product Messaging Gateway
Added Date 2026-08-15T00:00:00.000Z
Cvss Score 6.5
Epss Score 0.53702
Cvss Severity MEDIUM
Epss Percentile 0.98906
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-08-16 11:00 UTC | Updated: 2026-08-16 11:00 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.