Atlassian Confluence Data Center/Confluence Server improper authorization

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.
9.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Atlassian Confluence Data Center and Confluence Server. Impacted is an unknown function. Executing a manipulation can lead to improper authorization. The identification of this vulnerability is CVE-2023-22518. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability has been found in Atlassian Confluence Data Center and Confluence Server (affected version unknown) and classified as critical. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. There is no impact to confidentiality as an attacker cannot exfiltrate any instance data. Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.

The weakness was shared 10/31/2023. The advisory is shared for download at confluence.atlassian.com. This vulnerability was named CVE-2023-22518 since 01/01/2023. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/10/2025). The MITRE ATT&CK project declares the attack technique as T1548.002.

It is declared as attacked. This issue was added on 11/07/2023 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 11/28/2023:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 10.0
CNA Vector (Atlassian): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/2023 🔍
10/31/2023 +303 days 🔍
10/31/2023 +0 days 🔍
02/10/2025 +468 days 🔍

Sourcesinfo

Vendor: atlassian.com

Advisory: confluence.atlassian.com
Status: Confirmed

CVE: CVE-2023-22518 (🔍)
GCVE (CVE): GCVE-0-2023-22518
GCVE (VulDB): GCVE-100-244084
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/31/2023 15:59
Updated: 02/10/2025 22:43
Changes: 10/31/2023 15:59 (45), 11/24/2023 15:58 (12), 04/29/2024 20:44 (26), 06/17/2024 16:39 (2), 09/29/2024 04:24 (1), 02/10/2025 22:43 (5)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!