CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.6 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in fastify-http-proxy up to 4.3.0 on npm (Firewall Software). Affected is an unknown function. The manipulation with an unknown input leads to a escape output vulnerability. CWE is classifying the issue as CWE-116. The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was disclosed 03/02/2021. The advisory is available at github.com. This vulnerability is traded as CVE-2021-21322. The technical details are unknown and an exploit is not available.
Upgrading to version 4.3.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. 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: 9.0VulDB Meta Temp Score: 8.8
VulDB Base Score: 8.3
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
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: Escape outputCWE: CWE-116 / CWE-74 / CWE-707
ATT&CK: Unknown
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: fastify-http-proxy 4.3.1
Patch: github.com
Timeline
12/22/2020 🔍03/02/2021 🔍
03/02/2021 🔍
03/14/2021 🔍
Sources
Advisory: github.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-21322 (🔍)
Entry
Created: 03/02/2021 09:45Updated: 03/14/2021 09:58
Changes: 03/02/2021 09:45 (39), 03/06/2021 08:56 (6), 03/06/2021 09:03 (1), 03/14/2021 09:58 (18)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.