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CVE-2020-12819

MEDIUM
Published 2024-12-19T07:40:58.144Z
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CVSS Score

V3.1
5.4
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:U/RL:X/RC:X
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.215
Higher than 21.5% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
LOW
Availability
LOW

Description

A heap-based buffer overflow vulnerability in the processing of Link Control Protocol messages in FortiGate versions 5.6.12, 6.0.10, 6.2.4 and 6.4.1 and earlier may allow a remote attacker with valid SSL VPN credentials to crash the SSL VPN daemon by sending a large LCP packet, when tunnel mode is enabled. Arbitrary code execution may be theoretically possible, albeit practically very difficult to achieve in this context

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Fortinet

FortiOS

Affected Versions:

6.4.0 6.2.0 6.0.0 5.6.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-8vr7-33jp-gfgw

Advisory Details

A heap-based buffer overflow vulnerability in the processing of Link Control Protocol messages in FortiGate versions 5.6.12, 6.0.10, 6.2.4 and 6.4.1 and earlier may allow a remote attacker with valid SSL VPN credentials to crash the SSL VPN daemon by sending a large LCP packet, when tunnel mode is enabled. Arbitrary code execution may be theoretically possible, albeit practically very difficult to achieve in this context

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-12819
WEB https://fortiguard.com/advisory/FG-IR-20-082

Advisory provided by GitHub Security Advisory Database. Published: December 19, 2024, Modified: December 19, 2024

References

https://fortiguard.com/advisory/FG-IR-20-082
Published: 2024-12-19T07:40:58.144Z
Last Modified: 2024-12-20T17:41:24.593Z
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