ONLYOFFICE Server 2021-11-08 Document Editor improper authentication
|CVSS Meta Temp Score|
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
|Current Exploit Price (≈)|
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
|CTI Interest Score|
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
A vulnerability classified as critical has been found in ONLYOFFICE Server 2021-11-08. Affected is an unknown code block of the component Document Editor. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit documents without authentication.
The weakness was presented 01/23/2023. The advisory is shared for download at labs.nettitude.com. This vulnerability is traded as CVE-2021-43447 since 11/08/2021. Technical details are unknown but a public exploit is available.
It is declared as proof-of-concept. The exploit is shared for download at labs.nettitude.com.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
CVSSv3VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.6
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔒
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Improper authentication
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
CountermeasuresRecommended: no mitigation known
0-Day Time: 🔒
Timeline11/08/2021 CVE reserved
01/23/2023 +441 days Advisory disclosed
01/23/2023 +0 days VulDB entry created
02/18/2023 +26 days VulDB last update
Status: Not defined
CVE: CVE-2021-43447 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161013
EntryCreated: 01/23/2023 06:52 PM
Updated: 02/18/2023 01:23 PM
Changes: 01/23/2023 06:52 PM (41), 02/18/2023 01:23 PM (11)
Might our Artificial Intelligence support you?
Check our Alexa App!
No comments yet. Languages: en.
Please log in to comment.