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ExploitedIn CISA KEV

CVE-2022-42948

Exploitation confirmed. First attested on 2023-03-30 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2023-03-24
  • WeaknessCWE-116

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Cobalt Strike 4.7.1 fails to properly escape HTML tags when they are displayed on Swing components. By injecting crafted HTML code, it is possible to remotely execute code in the Cobalt Strike UI.

Timeline

dates in UTC
  1. 2023-03-2414:15CVE publishedNVD
  2. 2023-03-30Added to the CISA KEV catalogCISA KEV
  3. 2023-03-30Listed as exploited by GCVEGCVE
  4. 2023-03-30Exploitation first reportedCISA KEV
  5. 2025-01-2821:13SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-42948?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-42948?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Helpsystems cobalt strike
BranchAffectedFixed in
4.7= 4.7.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. CISA’s required action: Apply updates per vendor instructions.due 2023-04-20

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2023-03-30
Patch Due Date
2023-04-20
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-03-24
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-c8qh-hq9w-qh3p

Frequently asked questions

What is CVE-2022-42948?

Cobalt Strike 4.7.1 fails to properly escape HTML tags when they are displayed on Swing components. By injecting crafted HTML code, it is possible to remotely execute code in the Cobalt Strike UI.

Is CVE-2022-42948 actively exploited?

Yes. CVE-2022-42948 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-04-20.

What is the CVSS score for CVE-2022-42948?

CVE-2022-42948 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record