October 31, 2023 at 02:22PM
Software maker Atlassian has issued a warning to all Confluence Data Center and Server customers about a critical vulnerability that could be exploited without authentication. The vulnerability, known as CVE-2023-22518, is an improper authorization bug that affects all Confluence versions. Although no data exfiltration can occur from exploiting the flaw, it could lead to significant data loss. Atlassian has released patches for the issue and advises customers unable to apply the patches to back up their instances and block internet access until they can be patched. Confluence Cloud sites hosted by Atlassian are not affected.
From the meeting notes, we can gather the following key information:
1. Atlassian, an enterprise software maker, has issued a warning to its Confluence Data Center and Server customers regarding a critical vulnerability.
2. The vulnerability, identified as CVE-2023-22518, has a CVSS score of 9.1 and is described as an improper authorization bug affecting all versions of Confluence.
3. Successful exploitation of the vulnerability can lead to significant data loss.
4. At this time, there are no reports of active exploitation, but immediate action is necessary to protect instances.
5. The vulnerability does not impact confidentiality, as no data exfiltration can occur.
6. Atlassian has released patches for the issue in Confluence Data Center and Server versions 7.19.16, 8.3.4, 8.4.4, 8.5.3, and 8.6.1.
7. Customers who are unable to apply the patches are advised to back up their instances and block internet access until they can be patched.
8. Instances accessible to the public internet should be restricted from external network access until patched.
9. Atlassian’s Cloud sites are not affected by the vulnerability.
Please let me know if there is any additional information you require or if you have any specific concerns.