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CVE-2022-20818Proof of concept (PoC) published · CISA

Cisco SD-WAN Software Privilege Escalation Vulnerabilities

CVSS score

7.8

EPSS probability

%0.6

Risk score

0.0

Published

4 y ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2022-20818 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Multiple vulnerabilities in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges. These vulnerabilities are due to improper access controls on commands within the application CLI. An attacker could exploit these vulnerabilities by running a malicious command on the application CLI. A successful exploit could allow the attacker to execute arbitrary commands as the root user.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2022-20818 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1ciscoCisco SD-WAN Solution View
2ciscosd-wan vbond orchestrator View
3ciscosd-wan vmanage View
4ciscosd-wan vsmart controller View
5ciscoSD-WAN View
6ciscocatalyst 8000v edge View
7ciscocatalyst cg418-e View
8ciscocatalyst cg522-e View
9cisco1100-4g integrated services router View
10cisco1100-4p integrated services router View
11cisco1100-6g integrated services router View
12cisco1100-8p integrated services router View
13cisco1100 integrated services router View
14cisco1101-4p integrated services router View
15cisco1101 integrated services router View
16cisco1109-2p integrated services router View
17cisco1109-4p integrated services router View
18cisco1109 integrated services router View
19cisco1111x-8p integrated services router View
20cisco1111x integrated services router View
21cisco111x integrated services router View
22cisco1120 integrated services router View
23cisco1131 integrated services router View
24cisco1160 integrated services router View
25cisco4000 integrated services router View
26cisco4221 integrated services router View
27cisco4321/k9-rf integrated services router View
28cisco4321/k9-ws integrated services router View
29cisco4321/k9 integrated services router View
30cisco4321 integrated services router View
31cisco4331/k9-rf integrated services router View
32cisco4331/k9-ws integrated services router View
33cisco4331/k9 integrated services router View
34cisco4331 integrated services router View
35cisco4351/k9-rf integrated services router View
36cisco4351/k9-ws integrated services router View
37cisco4351/k9 integrated services router View
38cisco4351 integrated services router View
39cisco4431 integrated services router View
40cisco4451-x integrated services router View
41cisco4451 integrated services router View
42cisco4461 integrated services router View
43cisco8101-32fh View
44cisco8101-32h View
45cisco8102-64h View
46cisco8201 View
47cisco8201-32fh View
48cisco8202 View
49cisco8804 View
50cisco8808 View
51cisco8812 View
52cisco8818 View
53cisco8831 View
54ciscoasr 1000 View
55ciscoasr 1000-x View
56ciscoasr 1001 View
57ciscoasr 1001-hx View
58ciscoasr 1001-hx r View
59ciscoasr 1001-x View
60ciscoasr 1001-x r View
61ciscoasr 1002 View
62ciscoasr 1002-hx View
63ciscoasr 1002-hx r View
64ciscoasr 1002-x View
65ciscoasr 1002-x r View
66ciscoasr 1004 View
67ciscoasr 1006 View
68ciscoasr 1006-x View
69ciscoasr 1009-x View
70ciscoasr 1013 View
71ciscoasr 1023 View
72ciscocatalyst 8200 View
73ciscocatalyst 8300 View
74ciscocatalyst 8300-1n1s-4t2x View
75ciscocatalyst 8300-1n1s-6t View
76ciscocatalyst 8300-2n2s-4t2x View
77ciscocatalyst 8300-2n2s-6t View
78ciscocatalyst 8500 View
79ciscocatalyst 8500-4qc View
80ciscocatalyst 8500l View
81ciscocatalyst 8510csr View
82ciscocatalyst 8510msr View
83ciscocatalyst 8540csr View
84ciscocatalyst 8540msr View
Total affected vendors: 1|Products: 84

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
7.8CVSS V31HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD
7.8CVSS V3_1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-20818 is associated with the following CWEs:

CWE-25: Common Weakness Enumeration Entry CWE-25CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-20818 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsLow
UserGerekmiyor

Official Sources and Advisories

20220928 Cisco SD-WAN Software Privilege Escalation Vulnerabilitiesvendor-advisory

CVSS Vector Radar Chart

7.8 / 10
Attack VectorLocalComplexityLowPrivilegesLowUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow privileges
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

C
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Weakness Type (CWE & CAPEC)

CWE-25 CWE-22

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CVE-2022-20818 · Cisco SD-WAN Software Privilege Escalation…