CVE-2021-3044

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An improper authorization vulnerability in Palo Alto Networks Cortex XSOAR enables a remote unauthenticated attacker with network access to the Cortex XSOAR server to perform unauthorized actions through the REST API. This issue impacts: Cortex XSOAR 6.1.0 builds later than 1016923 and earlier than 1271064; Cortex XSOAR 6.2.0 builds earlier than 1271065. This issue does not impact Cortex XSOAR 5.5.0, Cortex XSOAR 6.0.0, Cortex XSOAR 6.0.1, or Cortex XSOAR 6.0.2 versions. All Cortex XSOAR instances hosted by Palo Alto Networks are upgraded to resolve this vulnerability. No additional action is required for these instances.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
69.8%
KEV
Not listed

Published

June 22, 2021

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jul 9, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

CVE-2021-3044 Cortex XSOAR: Unauthorized Usage of the REST API

https://security.paloaltonetworks.com/CVE-2021-3044

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 47× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-23 02:00 UTCEG score recompute
  2. 2026-07-22 22:47 UTCEG score recompute
  3. 2026-07-22 14:06 UTCEPSS rescore
  4. 2026-07-21 15:22 UTCEPSS rescore
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  44. 2026-06-10 22:16 UTCEPSS rescore
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  71. 2026-05-26 14:35 UTCEG score recompute
  72. 2026-05-26 14:35 UTCGHSA enrichment
  73. 2026-05-26 13:42 UTCEPSS rescore
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  75. 2026-05-26 07:17 UTCEPSS rescore

Frequently asked(5)

What is CVE-2021-3044?
CVE-2021-3044 is a critical vulnerability published on June 22, 2021. An improper authorization vulnerability in Palo Alto Networks Cortex XSOAR enables a remote unauthenticated attacker with network access to the Cortex XSOAR server to perform unauthorized actions through the REST API. This issue impacts: Cortex XSOAR 6.1.0 builds later than 1016923 and earlier than…
When was CVE-2021-3044 disclosed?
CVE-2021-3044 was first published in the National Vulnerability Database on June 22, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-3044 actively exploited?
CVE-2021-3044 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-3044?
CVE-2021-3044 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2021-3044?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-3044, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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