01 Record
CVE-2021-3057
GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway
HighPUBLISHEDCNA: palo_alto
CNA base score8.1 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
GlobalProtect App: Buffer Overflow Vulnerability When Connecting to Portal or Gateway
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 72.7% of scored records. A rank, not a probability.
- NVD base score
- 8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. 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
- 2021-10-13 16:10Z5 YR AGO
- Last updated
- 2024-09-17 01:35Z2 YR AGO
- Reserved
- 2021-01-06
- Assigning CNA
- palo_alto
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- Data version
- 5.1
- Document digest
- 1bc0734af96e5c1dd21e86f3115a5fbd43fc9b758d81e2c766d7e18e7c0e32e6
05 Affected products
VendorProductVersionsPlatforms
Palo Alto NetworksGlobalProtect App5.1 to < 5.1.9, 5.2 to < 5.2.8, 5.3 to < 5.3.1Windows, Linux, Universal Windows Platform
06 References
- security.paloaltonetworks.comhttps://security.paloaltonetworks.com/CVE-2021-3057
07 Remediation
This issue is fixed in GlobalProtect app 5.1.9 on Windows, GlobalProtect app 5.2.8 on Windows and on Universal Windows Platform, GlobalProtect app 5.3.1 on Linux, and all later GlobalProtect app versions.