Cisco ISR800/CGR1000/IC3000/IE4000/IOS XE/IR510 IOx Application path traversal
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.8 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in Cisco ISR800, CGR1000, IC3000, IE4000, IOS XE and IR510 (Router Operating System). This issue affects an unknown functionality of the component IOx Application Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability.
The weakness was released 04/15/2022 as cisco-sa-iox-yuXQ6hFj. It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2022-20727 since 11/02/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/15/2022). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.
Upgrading eliminates this vulnerability.
Product
Type
Vendor
Name
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: 4.9VulDB Meta Temp Score: 4.8
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 5.5
CNA Vector (Cisco Systems, Inc.): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Path traversalCWE: CWE-22
ATT&CK: T1006
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: 🔍
Timeline
11/02/2021 🔍04/15/2022 🔍
04/15/2022 🔍
04/21/2022 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-iox-yuXQ6hFj
Status: Confirmed
CVE: CVE-2022-20727 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150108
Entry
Created: 04/15/2022 19:08Updated: 04/21/2022 06:39
Changes: 04/15/2022 19:08 (49), 04/21/2022 06:39 (1)
Complete: 🔍
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