CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.4 | $0-$5k | 0.00 |
A vulnerability was found in OpenSSL up to 1.1.1j (Network Encryption Software) and classified as problematic. Affected by this issue is an unknown code of the component TLS Server. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.
The weakness was published 03/26/2021. The advisory is available at openssl.org. This vulnerability is handled as CVE-2021-3449. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/05/2021). This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
Upgrading to version 1.1.1k eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.openssl.org. The best possible mitigation is suggested to be upgrading to the latest version.
Product
Type
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: 5.6VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
ATT&CK: T1499
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: OpenSSL 1.1.1k
Patch: git.openssl.org
Timeline
03/17/2021 🔍03/26/2021 🔍
03/26/2021 🔍
04/05/2021 🔍
Sources
Product: openssl.orgAdvisory: openssl.org
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-3449 (🔍)
Entry
Created: 03/26/2021 08:16Updated: 04/05/2021 12:16
Changes: 03/26/2021 08:16 (40), 04/05/2021 12:09 (6), 04/05/2021 12:16 (18)
Complete: 🔍
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