PT-2022-12776 · Cesanta · Cesanta Mjs

Hope-Fly · Published 2022-01-27 · Updated 2022-01-31 · CVE-2021-46531

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cesanta MJS version 2.20.0

Description The issue is related to a SEGV vulnerability that can be triggered via the /usr/local/bin/mjs+0x8d28e endpoint. This can lead to a Denial of Service (DoS).

Recommendations For Cesanta MJS version 2.20.0, consider restricting access to the /usr/local/bin/mjs+0x8d28e endpoint to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2021-46531

Affected Products

Cesanta Mjs

References · 4

• 🔥 https://github.com/cesanta/mjs/issues/211 · Exploit
• https://osv.dev/vulnerability/CVE-2021-46531 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46531 · Security Note
• https://t.me/cibsecurity/36422 · Telegram Post