Fortinet FortiWan up to 4.5.8 Network Daemon stack-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.9 | $0-$5k | 0.00 |
A vulnerability has been found in Fortinet FortiWan up to 4.5.8 and classified as critical. Affected by this vulnerability is an unknown part of the component Network Daemon. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 04/06/2022 as FG-IR-21-065. It is possible to read the advisory at fortiguard.com. This vulnerability is known as CVE-2021-26112 since 01/25/2021. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 4.5.9 eliminates this vulnerability.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.1VulDB Meta Temp Score: 7.9
VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 8.1
CNA Vector (Fortinet, Inc.): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: FortiWan 4.5.9
Timeline
01/25/2021 🔍04/06/2022 🔍
04/06/2022 🔍
04/08/2022 🔍
Sources
Vendor: fortinet.comAdvisory: FG-IR-21-065
Status: Confirmed
CVE: CVE-2021-26112 (🔍)
Entry
Created: 04/06/2022 15:17Updated: 04/08/2022 14:53
Changes: 04/06/2022 15:17 (40), 04/08/2022 14:48 (11), 04/08/2022 14:53 (1)
Complete: 🔍
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