F-Secure Endpoint Protection/Linux Security prior 2021-08-10_07 on Windows Antivirus Engine denial of service
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability has been found in F-Secure Endpoint Protection and Linux Security on Windows and classified as problematic. Affected by this vulnerability is an unknown code block of the component Antivirus Engine. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.
The weakness was released 08/23/2021 by Antti Levomäki and Christian Jalio with Forcepoint as fsc-2021-3359. It is possible to read the advisory at f-secure.com. This vulnerability is known as CVE-2021-33598. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.
Upgrading to version 2021-08-10_07 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
Product
Vendor
Name
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: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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: Denial of serviceCWE: CWE-404
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 |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Endpoint Protection/Linux Security 2021-08-10_07
Timeline
05/27/2021 🔍08/10/2021 🔍
08/23/2021 🔍
08/23/2021 🔍
08/25/2021 🔍
Sources
Vendor: f-secure.comAdvisory: fsc-2021-3359
Researcher: Antti Levomäki, Christian Jalio
Organization: Forcepoint
Status: Confirmed
CVE: CVE-2021-33598 (🔍)
Entry
Created: 08/23/2021 15:58Updated: 08/25/2021 20:31
Changes: 08/23/2021 15:58 (40), 08/23/2021 15:59 (2), 08/25/2021 20:24 (2), 08/25/2021 20:31 (1)
Complete: 🔍
Submitter: CSieberg
Submit
Accepted
- Submit #18822: CVE-2021-33598 // DoS in F-Secure (by CSieberg)
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