CVE-2020-12878 — Digi ConnectPort X2e before 3

Digi ConnectPort X2e before 3.2.30.6 allows an attacker to escalate privileges from the python user to root via a symlink attack that uses chown, related to /etc/init.d/S50dropbear.sh and the /WEB/python/.ssh directory.

01What is this vulnerability?

Digi ConnectPort X2e before 3.2.30.6 allows an attacker to escalate privileges from the python user to root via a symlink attack that uses chown, related to /etc/init.d/S50dropbear.sh and the /WEB/python/.ssh directory.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2021-02-17T23:07:11.000Z
• Last modified: 2024-08-04T12:11:18.998Z

09References

• github.com — https://github.com/fireeye/Vulnerability-Disclosures
• www.digi.com — https://www.digi.com/support/productdetail?pid=5570
• github.com — https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2020-0020/…