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01 Record

CVE-2023-42125

Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability

HighPUBLISHEDCNA: zdi
CNA base score7.8 CVSS v3.xCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

02 Description

Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.41% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 35.3% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2024-05-03 02:13Z2 YR AGO
Last updated
2024-09-20 19:07Z2 YR AGO
Reserved
2023-09-06
Assigning CNA
zdi
Record state
PUBLISHED
Severity
High (CVSS 7.8)
CNA CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-706Use of Incorrectly-Resolved Name or ReferenceClass
  • CWE-59Improper Link Resolution Before File Access ('Link Following')Base
Data version
5.1
Document digest
a44d7f81e0e65e796dbf1695c84276ec68592fb0539304fa9b337f0029ee86ea

05 Affected products

VendorProductVersionsPlatforms
AvastPremium SecurityAvast Premium Security 22.12.6044 (build 22.12.7758.769)—
avastpremium_security22.12.6044 (build 22.12.7758.769)—

06 References