How severe is CVE-2023-46265?

CVE-2023-46265 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-46265 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-46265?

CVE-2023-46265 affects Ivanti Avalanche. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-46265?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-46265 published?

CVE-2023-46265 was published on 2023-12-19 and last updated on 2026-06-17.

CVE-2023-46265

CVE-2023-46265 is a critical-severity vulnerability in Ivanti Avalanche with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Ivanti Avalanche
Published: 2023-12-19
Last modified: 2026-06-17

Description

An unauthenticated could abuse a XXE vulnerability in the Smart Device Server to leak data or perform a Server-Side Request Forgery (SSRF).

Frequently asked questions

What is CVE-2023-46265?: An unauthenticated could abuse a XXE vulnerability in the Smart Device Server to leak data or perform a Server-Side Request Forgery (SSRF).
How severe is CVE-2023-46265?: CVE-2023-46265 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-46265 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-46265?: CVE-2023-46265 affects Ivanti Avalanche. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-46265?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-46265 published?: CVE-2023-46265 was published on 2023-12-19 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:ivanti:avalanche:*:*:*:*:*:*:*:*

More vulnerabilities in Ivanti Avalanche

CVE-2023-38036 — Critical (CVSS 9.8): A security vulnerability within Ivanti Avalanche Manager before version 6.4.1 may allow an unauthenticated attacker to…
CVE-2024-29204 — Critical (CVSS 9.8): A Heap Overflow vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3 allows a remote…
CVE-2024-24996 — Critical (CVSS 9.8): A Heap overflow vulnerability in WLInfoRailService component of Ivanti Avalanche before 6.4.3 allows an unauthenticated…
CVE-2024-22061 — Critical (CVSS 9.8): A Heap Overflow vulnerability in WLInfoRailService component of Ivanti Avalanche before 6.4.3 allows a remote…
CVE-2023-46264 — Critical (CVSS 9.8): An unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.4.1 and below that…
CVE-2023-46263 — Critical (CVSS 9.8): An unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.4.1 and below that…

All CVEs affecting Ivanti Avalanche →

Other CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities

CVE-2022-22486 — Critical (CVSS 10.0): IBM Tivoli Workload Scheduler 9.4, 9.5, and 10.1 is vulnerable to an XML External Entity Injection (XXE) attack when…
CVE-2019-14678 — Critical (CVSS 10.0): SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in…
CVE-2015-9280 — Critical (CVSS 10.0): MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.
CVE-2018-1000838 — Critical (CVSS 10.0): autopsy version <= 4.9.0 contains a XML External Entity (XXE) vulnerability in CaseMetadata XML Parser that can result…
CVE-2018-1000837 — Critical (CVSS 10.0): UML Designer version <= 8.0.0 contains a XML External Entity (XXE) vulnerability in XML parser for plugins that can…
CVE-2018-1000835 — Critical (CVSS 10.0): KeePassDX version <= 2.5.0.0beta17 contains a XML External Entity (XXE) vulnerability in kdbx file parser that can…

Browse all CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities →