Prototype Pollution in Joinmastodon Mastodon
CVE-2022-0432
Prototype Pollution in GitHub repository mastodon/mastodon prior to 3.5.0.
Vulnerability class: Prototype Pollution
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.044 (91.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000
Affected products
- Joinmastodon Mastodon
- Mastodon Mastodon/mastodon — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- huntr.dev/bounties/d06da292-7716-4d74-a129-dd04773398d7 (Exploit, Third Party Advisory)
- github.com/mastodon/mastodon/commit/4d6d4b43c6186a13e67b92eaf70fe1b70ea24a09 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0432?
- CVE-2022-0432 is a medium-severity vulnerability in Joinmastodon Mastodon, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 6.1/10. Published 2022-02-02.
- How severe is CVE-2022-0432?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2022-0432 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.