Patchfirst
CVE-2023-26360 KEVPublic exploit High · 8.6 EPSS 97.3%

Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

Adobe · ColdFusion

Summary

The flaw is an Improper Access Control vulnerability in Adobe ColdFusion, affecting versions 2018 Update 15 and earlier and 2021 Update 5 and earlier. An attacker who can reach the affected ColdFusion instance over the network can achieve arbitrary code execution in the context of the current user, with no authentication or user interaction required.

Official description · NVD

Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (and earlier) are affected by an Improper Access Control vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction.

Breakdown
69.0 / 100
Exploited
Yes, in CISA KEV
Reports
0
Tactics
9/15

How an attack unfolds

Based on mappings. Select a step to see the evidence.
  1. How attackers get in

  2. What they do

  3. What can follow

First seen exploited 9 days before it was disclosed. Public exploit code (Metasploit) was available 9 days before disclosure.

  1. First seen exploitedVulnCheck KEV evidencePublic exploit codeMetasploit9 days before
  2. Added to CISA KEVEU database agrees8 days before
  3. Disclosedday 0

CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.

techniques

9 , grouped by in kill-chain order 9

Initial AccessTA0001

MITRE CTID mapping of the KEV entry · how it is exploited

This vulnerability gives an adversary access through exploitation of a public-facing server.

ExecutionTA0002

JavaScript T1059.007
MITRE CTID mapping of the KEV entry · primary impact

PersistenceTA0003

Web Shell T1505.003
MITRE CTID mapping of the KEV entry · follow-on activity

Privilege EscalationTA0004

Group Policy Modification T1484.001 also Defense Impairment
MITRE CTID mapping of the KEV entry · follow-on activity

Stealth

MITRE CTID mapping of the KEV entry · follow-on activity

Credential AccessTA0006

LSASS Memory T1003.001
MITRE CTID mapping of the KEV entry · follow-on activity

DiscoveryTA0007

MITRE CTID mapping of the KEV entry · follow-on activity

Command and ControlTA0011

Web Protocols T1071.001
MITRE CTID mapping of the KEV entry · follow-on activity
MITRE CTID mapping of the KEV entry · follow-on activity

Detection

0 rules for this CVE · 471 general rules for its techniques

Rules for this CVE

0 that reference CVE-2023-26360 directly.

CVE-specific rules are not available in this build. Search SigmaHQ ↗

General rules for this CVE’s techniques

These detect the technique in general, not this specific vulnerability.

Exploit Public-Facing ApplicationT1190149 general rules
JavaScriptT1059.00729 general rules
Web ShellT1505.00335 general rules
Group Policy ModificationT1484.0016 general rules
Match Legitimate Resource Name or LocationT1036.00524 general rules
LSASS MemoryT1003.00179 general rules
Network Service DiscoveryT104620 general rules
Web ProtocolsT1071.00142 general rules
Ingress Tool TransferT110587 general rules

Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.

What security researchers reported

Not named in any threat report yet

Also mentioned in 50 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

3 links, grouped by NVD tag (2 duplicates merged)
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