How severe is CVE-2023-23955?

CVE-2023-23955 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-23955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23955?

CVE-2023-23955 primarily affects Broadcom Advanced Secure Gateway. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-23955?

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

When was CVE-2023-23955 published?

CVE-2023-23955 was published on 2023-06-01 and last updated on 2026-06-17.

CVE-2023-23955

CVE-2023-23955 is a high-severity vulnerability in Broadcom Advanced Secure Gateway with a CVSS 3.x base score of 8.1. 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-918.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Broadcom Advanced Secure Gateway
Published: 2023-06-01
Last modified: 2026-06-17

Description

Advanced Secure Gateway and Content Analysis, prior to 7.3.13.1 / 3.1.6.0, may be susceptible to a Server-Side Request Forgery vulnerability.

Frequently asked questions

What is CVE-2023-23955?: Advanced Secure Gateway and Content Analysis, prior to 7.3.13.1 / 3.1.6.0, may be susceptible to a Server-Side Request Forgery vulnerability.
How severe is CVE-2023-23955?: CVE-2023-23955 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-23955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23955?: CVE-2023-23955 primarily affects Broadcom Advanced Secure Gateway. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-23955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-23955 published?: CVE-2023-23955 was published on 2023-06-01 and last updated on 2026-06-17.

References

https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/22217

Affected products (2)

cpe:2.3:a:broadcom:advanced_secure_gateway:*:*:*:*:*:*:*:*
cpe:2.3:a:broadcom:content_analysis:*:*:*:*:*:*:*:*

More vulnerabilities in Broadcom Advanced Secure Gateway

CVE-2023-23952 — Critical (CVSS 9.8): Advanced Secure Gateway and Content Analysis, prior to 7.3.13.1 / 3.1.6.0, may be susceptible to a Command Injection…
CVE-2018-5241 — Critical (CVSS 9.8): Symantec Advanced Secure Gateway (ASG) 6.6 and 6.7, and ProxySG 6.5, 6.6, and 6.7 are susceptible to a SAML…
CVE-2021-46825 — Critical (CVSS 9.1): Symantec Advanced Secure Gateway (ASG) and ProxySG are susceptible to an HTTP desync vulnerability. When a remote…
CVE-2023-23953 — High (CVSS 7.8): Advanced Secure Gateway and Content Analysis, prior to 7.3.13.1 / 3.1.6.0, may be susceptible to an Elevation of…
CVE-2016-9100 — High (CVSS 7.8): Symantec Advanced Secure Gateway (ASG) 6.6 prior to 6.6.5.13, ASG 6.7 prior to 6.7.3.1, ProxySG 6.5 prior to 6.5.10.6,…
CVE-2017-13677 — High (CVSS 7.5): Denial-of-service (DoS) vulnerability in the Symantec Advanced Secure Gateway (ASG) and ProxySG management consoles. A…

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