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CVE-2021-21975 CISA KEV · Actively exploitedSuited to automated attack · CISA

Server-side request forgery in N/a VMware vRealize Operations

CVSS score

9.8

EPSS probability

%78.0

Risk score

15.3

Published

5 y ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Mitigation available

Apply updates per vendor instructions.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2021-21975 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Server Side Request Forgery in vRealize Operations Manager API (CVE-2021-21975) prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API can perform a Server Side Request Forgery attack to steal administrative credentials.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2021-21975 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1n/aVMware vRealize Operations View
2vmwarecloud foundation View
3vmwarecloud foundation View
4vmwarecloud foundation View
5vmwarecloud foundation View
6vmwarecloud foundation View
7vmwarecloud foundation View
8vmwarecloud foundation View
9vmwarecloud foundation View
10vmwarecloud foundation View
11vmwarecloud foundation View
12vmwarecloud foundation View
13vmwarecloud foundation View
14vmwarecloud foundation View
15vmwarecloud foundation View
16vmwarecloud foundation View
17vmwarevrealize operations manager View
18vmwarevrealize operations manager View
19vmwarevrealize operations manager View
20vmwarevrealize operations manager View
21vmwarevrealize operations manager View
22vmwarevrealize operations manager View
23vmwarevrealize operations manager View
24vmwarevrealize operations manager View
25vmwarevrealize suite lifecycle manager View
26vmwarevrealize suite lifecycle manager View
27vmwarevrealize suite lifecycle manager View
28vmwarevrealize suite lifecycle manager View
29vmwarevRealize Operations Manager API View
Total affected vendors: 2|Products: 29

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
9.8CVSS V3_1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE ADP
9.8CVSS V31CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD
7.5CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NNVD
5.0CVSS V2—AV:N/AC:L/Au:N/C:P/I:N/A:NNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Workaround

Resmî yama doğrulanamadı; geçici azaltım veya workaround mevcut.

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

This CVE is marked as actively exploited in the CISA KEV catalogue, but no verified, downloadable public PoC or Metasploit module has been found yet. Evidence of active exploitation does not mean that public exploit code exists.

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-2021-21975 is associated with the following CWEs:

CWE-918: Server-Side Request Forgery (SSRF)

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-2021-21975 weaknesses.

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

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

https://www.vmware.com/security/advisories/VMSA-2021-0004.htmlvendor-advisoryhttp://packetstormsecurity.com/files/162349/VMware-vRealize-Operations-Manager-Server-Side-Request-Forgery-Code-Execution.htmlvendor-advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21975nvdCISA Known Exploited Vulnerabilities Catalogkev

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

Geçici çözüm

Resmî yama doğrulanamadı; geçici azaltım veya workaround mevcut.

Follow the vendor

N
n/a logo
n/a
V
vmware logo
vmware

Weakness Type (CWE & CAPEC)

CWE-918

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