CVE-2023-46266 — An attacker can send a specially crafted request which could lead to leakage of

An attacker can send a specially crafted request which could lead to leakage of sensitive data or potentially a resource-based DoS attack.

01What is this vulnerability?

An attacker can send a specially crafted request which could lead to leakage of sensitive data or potentially a resource-based DoS attack.

02Affected products

Vendor	Product	Versions
Ivanti	Avalanche	6.4.1

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: 2023-12-19T15:43:26.348Z
• Last modified: 2024-08-02T20:37:40.234Z

09References

• download.wavelink.com — https://download.wavelink.com/Files/avalanche_v6.4.2_release_notes.txt