Cisco AnyConnect Secure Mobility Client VPN Agent Service memory allocation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.1 | $0-$5k | 0.00 |
A vulnerability was found in Cisco AnyConnect Secure Mobility Client (Network Encryption Software) (version now known). It has been classified as problematic. Affected is some unknown processing of the component VPN Agent Service. The manipulation with an unknown input leads to a memory allocation vulnerability. CWE is classifying the issue as CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. This is going to have an impact on availability.
The weakness was disclosed 06/17/2021 as cisco-sa-anyconnect-dos-hMhyDfb8. The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2021-1568. The technical details are unknown and an exploit is not available.
Upgrading eliminates this vulnerability.
Product
Type
Vendor
Name
License
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory allocationCWE: CWE-789 / CWE-400 / CWE-404
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 |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
11/13/2020 🔍06/17/2021 🔍
06/17/2021 🔍
06/21/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-anyconnect-dos-hMhyDfb8
Status: Confirmed
CVE: CVE-2021-1568 (🔍)
Entry
Created: 06/17/2021 08:07Updated: 06/21/2021 09:02
Changes: 06/17/2021 08:07 (38), 06/21/2021 08:59 (5), 06/21/2021 09:02 (1)
Complete: 🔍
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