CVE-2023-26562 Missing authorization in n/a

What is CVE-2023-26562?

CVE-2023-26562 is a medium-severity missing authorization vulnerability in n/a, published on 13 Feb 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In Zimbra Collaboration (ZCS) 8.8.15 and 9.0, a closed account (with 2FA and generated passwords) can send e-mail messages when configured for Imap/smtp.

Weakness: CWE-862

Which versions are affected by CVE-2023-26562?

It affects 1 product.

Products include Zimbra Collaboration.

How do I fix CVE-2023-26562?

No fix has been published for CVE-2023-26562 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-26562 being exploited?

There is no known exploitation of CVE-2023-26562 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2024-27443 Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Exploited Medium 6.1
• CVE-2023-29381 Privilege escalation in n/a Critical 9.8
• CVE-2023-29382 Code injection in n/a Critical 9.8
• CVE-2022-32294 Information disclosure in n/a Critical 9.8
• CVE-2021-35209 Server-side request forgery in n/a Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cqc2-xcqm-6c3r.