Bit flip attack vulnerability in cookie-encrypter

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0029, the 21st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 9 Dec 2024. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-h63v-hw6g-x8hp
• OSV: GHSA-h63v-hw6g-x8hp
• nvd.nist.gov/vuln/detail/CVE-2024-53441
• github.com/ebourmalo/cookie-encrypter/issues/9
• crypto.stackexchange.com/questions/66085/bit-flipping-attack-on-cbc-mode
• gist.github.com/mathysEthical/f45f1503f87381090e38a33c50eec971
• github.com/ebourmalo/cookie-encrypter
• mathys.reboux.pro/CVE/2024/53441

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.