Deserialization in Proofpoint Insider Threat Management Server
CVE-2021-40843
Proofpoint Insider Threat Management Server contains an unsafe deserialization vulnerability in the Web Console. An attacker with write access to the local database could cause arbitrary code to execute with SYSTEM privileges on the underlying server when a Web Console user triggers retrieval of that data. When chained with a SQL injection vulnerability, the vulnerability could be exploited remotely if Web Console users click a series of maliciously crafted URLs. All versions prior to 7.11.2 are affected.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.proofpoint.com/us/security/security-advisories (Vendor Advisory)
- www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0009 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-40843?
- CVE-2021-40843 is a high-severity vulnerability in Proofpoint Insider Threat Management Server, classified under Deserialization of Untrusted Data. CVSS score: 7.3/10. Published 2021-10-13.
- How severe is CVE-2021-40843?
- High severity. CVSS v3 base score is 7.3 out of 10.