CVE-2021-3154 Code injection in n/a

What is CVE-2021-3154?

CVE-2021-3154 is a high-severity code injection vulnerability in Solarwinds Serv-U, published on 4 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in SolarWinds Serv-U before 15.2.2. Unauthenticated attackers can retrieve cleartext passwords via macro Injection. NOTE: this had a distinct fix relative to CVE-2020-35481.

Weakness: CWE-74

Which versions are affected by CVE-2021-3154?

It affects 1 product.

Products include Solarwinds Serv-U.

How do I fix CVE-2021-3154?

No fix has been published for CVE-2021-3154 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-3154 being exploited?

There is no known exploitation of CVE-2021-3154 in the wild and no public exploit code.

Other vulnerabilities in Solarwinds Serv-U

• CVE-2021-35211 SolarWinds Serv-U Remote Code Execution Exploited Critical 9.0
• CVE-2024-28995 SolarWinds Serv-U Path Traversal Vulnerability Exploited High 8.6
• CVE-2026-28318 SolarWinds Serv-U Uncontrolled Resource Consumption Exploited High 7.5
• CVE-2021-35247 SolarWinds Serv-U Improper Input Validation Exploited Medium 4.3
• CVE-2020-35481 Code injection in n/a Critical 9.8

All Solarwinds Serv-U vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-m79c-6hcg-fj94.