Deserialization in Aca Assuweb
CVE-2021-3160
Deserialization of untrusted data in the login page of ASSUWEB 359.3 build 1 subcomponent of ACA ASSUREX RENTES product allows a remote attacker to inject unsecure serialized Java object using a specially crafted HTTP request, resulting in an unauthenticated remote code execution on the server.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.047 (91.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000
Affected products
- Aca Assuweb — versions 359.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.aca.fr/solution/assurex-solution-gestion-des-contrats-assurance/ (Vendor Advisory)
- www.digital.security/fr/sites/default/files/advisories/cert-ds_advisory_cve-202… (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3160?
- CVE-2021-3160 is a critical-severity vulnerability in Aca Assuweb, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-01-28.
- How severe is CVE-2021-3160?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-3160 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.