SolarWinds Serv-U Vulnerable to Directory Transversal Attack

CVE-2024-28995
7.5HIGH

Key Information

Vendor
Solarwinds
Status
Solarwinds Serv-u
Vendor
CVE Published:
6 June 2024

Badges

😄 Trended👾 Exploit Exists🔴 Public PoC🟣 EPSS 95%📰 News Worthy

Summary

The vulnerability identified as CVE-2024-28995 affects SolarWinds Serv-U, allowing external unauthenticated attackers to read sensitive files on the host machine. The vulnerability is trivially exploitable and expected to be actively exploited in the near future. SolarWinds has since released a hotfix to address the issue. Despite not being targeted by ransomware groups at the time of the reports, the vulnerability poses a severe risk, as evidenced by the exploitation of similar vulnerabilities in file transfer servers in recent years. Rapid7 has recommended the immediate installation of the hotfix, emphasizing the urgency of addressing the vulnerability. Additionally, SolarWinds is facing legal challenges from the Securities and Exchange Commission (SEC), which adds further complications and implications to the situation.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2024-28995 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace as recent news articles suggest the vulnerability is being used by ransomware groups.

The CISA's recommendation is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected Version(s)

SolarWinds Serv-U <= 15.4.2 HF 1 and previous versions

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

News Articles

EPSS Score

95% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit exists.

  • Risk change from: 7.5 to: 8.6 - (HIGH)

  • Vulnerability started trending.

  • First article discovered by Help Net Security

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre DatabaseCISA Database3 Proof of Concept(s)13 News Article(s)

Credit

Hussein Daher
.