CVE-2024-42849
Published: 16 August 2024
Summary
CVE-2024-42849 is a medium-severity Uncontrolled Resource Consumption (CWE-400) vulnerability in Silverpeas Silverpeas. Its CVSS base score is 6.5 (Medium).
Operationally, ranked in the top 6.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
Silverpeas versions 6.4.2 and earlier are affected by a denial-of-service vulnerability that can be triggered through the password change function. The issue is classified under CWE-400 for uncontrolled resource consumption and is rated 6.5 on CVSS 3.1, with network access, low attack complexity, and low privileges required to impact availability while leaving confidentiality and integrity untouched.
An authenticated attacker with low privileges can send crafted requests to the password change endpoint, causing the application to exhaust resources and become unavailable to other users. The attack requires no user interaction and can be performed remotely over the network.
Public references include the Silverpeas project site and a GitHub repository containing a proof-of-concept. The associated EPSS score has remained flat at 0.1135 with no material rise since publication.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-39811
Vulnerability details
An issue in Silverpeas v.6.4.2 and lower allows a remote attacker to cause a denial of service via the password change function.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Limiting concurrent sessions directly prevents uncontrolled resource consumption by capping the number of active sessions per user or account.
Analysis identifies uncontrolled resource consumption indicative of denial-of-service or abuse attempts.
Contingency plan testing includes resource exhaustion scenarios to verify recovery, making it harder for attackers to sustain exploits that cause uncontrolled consumption.
Updated contingency plans include current procedures to detect, contain, and recover from resource exhaustion, limiting an attacker's ability to sustain impact from uncontrolled consumption.
Alternate site allows resumption of operations if resource exhaustion at the primary site is exploited to cause unavailability.
Alternate telecommunications services enable resumption of essential functions when primary services become unavailable due to uncontrolled resource consumption.
The team can analyze and respond to resource exhaustion incidents, reducing the impact of attacks that exploit uncontrolled consumption weaknesses.
Timely maintenance support and spare parts enable rapid recovery from failures induced by uncontrolled resource consumption, shortening the impact window of denial-of-service attacks.