CVE-2021-42115 Missing HTTPOnly flag on sensitive cookie in TopEase

What is CVE-2021-42115?

CVE-2021-42115 is a high-severity missing authorization vulnerability in Business-DNA Solutions GmbH TopEase, published on 30 Nov 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Missing HTTPOnly flag in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 allows an unauthenticated remote attacker to escalate privileges from unauthenticated to authenticated user via stealing and injecting the session- independent and static cookie UID.

Weakness: CWE-732, CWE-1004

Which versions are affected by CVE-2021-42115?

It affects 1 product.

Products include Businessdnasolutions Topease.

How do I fix CVE-2021-42115?

No fix has been published for CVE-2021-42115 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-2021-42115 being exploited?

There is no known exploitation of CVE-2021-42115 in the wild and no public exploit code.

Other vulnerabilities in Business-DNA Solutions GmbH TopEase

• CVE-2021-42118 Stored XSS in TopEase High 8.1
• CVE-2021-42544 Lack of Rate limiting in Authentication in TopEase High 7.5
• CVE-2021-42119 Stored XSS in Search Function in TopEase High 7.3
• CVE-2021-42123 Missing Upload Filter in TopEase High 7.3
• CVE-2021-42120 Missing Character Length (Denial of Service) in TopEase Medium 6.5

Sources

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

Also known as GHSA-hf8m-4ppx-hx3q.