Vulnerability · Published Dec 31, 2023 · Assigned by mitre
CVE-2021-46900
High 7.5
In plain English
A high-severity broken cryptography in the sympa package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 69.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | sympa | 6.2.66~dfsg-1 | DEBIAN-CVE-2021-46900 |
| Debian:13 | sympa | 6.2.66~dfsg-1 | DEBIAN-CVE-2021-46900 |
| Debian:14 | sympa | 6.2.66~dfsg-1 | DEBIAN-CVE-2021-46900 |
Affected products (as reported)
Weakness: CWE-327 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N