Palo Alto PAN-OS up to 8.1.19/9.0.13/9.1.8/10.0.0 GlobalProtect Clientless VPN buffer overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.6 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Palo Alto PAN-OS up to 8.1.19/9.0.13/9.1.8/10.0.0 (Firewall Software). This vulnerability affects an unknown part of the component GlobalProtect Clientless VPN. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was published 11/10/2021. The advisory is available at security.paloaltonetworks.com. This vulnerability was named CVE-2021-3056 since 01/06/2021. The technical details are unknown and an exploit is not available.
Upgrading to version 8.1.20, 9.0.14, 9.1.9 or 10.0.1 eliminates this vulnerability.
Product
Type
Vendor
Name
Version
- 8.1.0
- 8.1.1
- 8.1.2
- 8.1.3
- 8.1.4
- 8.1.5
- 8.1.6
- 8.1.7
- 8.1.8
- 8.1.9
- 8.1.10
- 8.1.11
- 8.1.12
- 8.1.13
- 8.1.14
- 8.1.15
- 8.1.16
- 8.1.17
- 8.1.18
- 8.1.19
- 9.0.0
- 9.0.1
- 9.0.2
- 9.0.3
- 9.0.4
- 9.0.5
- 9.0.6
- 9.0.7
- 9.0.8
- 9.0.9
- 9.0.10
- 9.0.11
- 9.0.12
- 9.0.13
- 9.1.0
- 9.1.1
- 9.1.2
- 9.1.3
- 9.1.4
- 9.1.5
- 9.1.6
- 9.1.7
- 9.1.8
- 10.0
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.6
VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 8.8
CNA Vector (Palo Alto Networks, Inc.): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: PAN-OS 8.1.20/9.0.14/9.1.9/10.0.1
Timeline
01/06/2021 🔍11/10/2021 🔍
11/10/2021 🔍
11/12/2021 🔍
Sources
Vendor: paloaltonetworks.comAdvisory: security.paloaltonetworks.com
Status: Confirmed
CVE: CVE-2021-3056 (🔍)
Entry
Created: 11/10/2021 20:17Updated: 11/12/2021 14:18
Changes: 11/10/2021 20:17 (50), 11/12/2021 14:18 (1)
Complete: 🔍
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