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Exploited vulnerability · CISA KEV

Is CVE-2017-17562 exploited? Yes: in CISA KEV since 10 Dec 2021

Gociux · Embedthis GoAhead · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2017-17562, Embedthis GoAhead Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 10 Dec 2021, 1459 days after it was published. It affects Embedthis GoAhead. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 10 Dec 2021
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity8.1CVSS 3.1 · high
US federal due10 Jun 2022BOD 22-01 deadline

What it is

Embedthis GoAhead before 3.6.5 allows remote code execution if CGI is enabled and a CGI program is dynamically linked.

VendorEmbedthis (1 exploited CVE in KEV)
ProductGoAhead
VulnerabilityEmbedthis GoAhead Remote Code Execution Vulnerability
WeaknessCWE-20
Published12 Dec 2017
Added to KEV10 Dec 2021
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for GoAhead in your asset inventory, including appliances and cloud images. Stack check lists every exploited Embedthis CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 12 Dec 2017.
  4. Get told next time. Email alerts when CISA adds a CVE for Embedthis.

References

Questions

Is CVE-2017-17562 being exploited?

Yes. CISA added CVE-2017-17562 to the Known Exploited Vulnerabilities catalog on 10 Dec 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2017-17562 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2017-17562?

Apply updates per vendor instructions. Check Embedthis's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected GoAhead and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in December 2021 · act-now radar.

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