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CVE-2020-16846 CISA KEV · Actively exploited

salt: sending crafted web requests to the Salt API, with the SSH client enabled, can result in shell injection

CVSS score

9.8

EPSS probability

%99.6

Risk score

19.5

Published

6 y ago

OverviewPublic Exploits (2)NewsroomVulnerability Timeline
The vendor has stated that there is no patch

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Vulnerability description

DayBreach CVE AI Research

CVE-2020-16846 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

A flaw was found in salt. A shell injection vulnerability was found where an unauthenticated user with network access to the Salt API can use shell injections to run code on the Salt-API using the SSH client. An attacker could use this flaw to cause a denial of service, information disclosure, or privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2020-16846 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1Red Hatred_hat_ceph_storage_2:salt View
2Red Hatred_hat_ceph_storage_2:salt-minion View
3SaltStackSalt View
Total affected vendors: 2|Products: 3

RED HAT CSAF/VEX: Product Impact Check

Does this CVE affect my Red Hat product?

The results come directly from the Red Hat CSAF VEX product status; they are not estimates.

Affected

Red Hat bu ürün sürümünü etkilenen olarak işaretliyor.

Red Hat fixes

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.

Will not fix

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
9.8cvss_v3CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HRed Hat

Patch and Remediation Guide

Solution & Remediation Advisory

No patch (vendor)

Üretici kaynağı düzeltme bulunmadığını veya düzeltme planlanmadığını açıkça bildiriyor.

redhat

Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update as soon as possible.

redhat

Will not fix

canonical

Apply updates per vendor instructions.

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

CVE-2020-16846 : the database holds 2 public PoC/exploit sources for it. For direct links to the sources, open the Public Exploits tab.

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-2020-16846 is associated with the following CWEs:

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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-2020-16846 weaknesses.

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

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

Canonical URLvendor-advisoryRHBZ#1895449vendor-advisoryhttps://www.cve.org/CVERecord?id=CVE-2020-16846vendor-advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2020-16846vendor-advisoryhttps://docs.saltstack.com/en/latest/topics/releases/2019.2.6.htmlvendor-advisoryhttps://docs.saltstack.com/en/latest/topics/releases/3000.4.htmlvendor-advisoryhttps://docs.saltstack.com/en/latest/topics/releases/3001.2.htmlvendor-advisoryhttps://docs.saltstack.com/en/latest/topics/releases/3002.1.htmlvendor-advisoryhttps://www.saltstack.com/blog/on-november-3-2020-saltstack-publicly-disclosed-three-new-cves/vendor-advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalogvendor-advisory

CVSS Vector Radar Chart

9.8 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

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

Yama yok (üretici)

Üretici kaynağı düzeltme bulunmadığını veya düzeltme planlanmadığını açıkça bildiriyor.

Follow the vendor

RH
Red Hat logo
Red Hat
S
SaltStack logo
SaltStack

Weakness Type (CWE & CAPEC)

CWE-78

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