CVE-2023-23957: An authenticated user can see and modify the value for ‘next’ query parameter in Symantec Identity Portal 14.4

Routine

MEDIUM 5.4DOWNGRADE

CVE-2023-23957 is a medium-severity flaw (CVSS 5.4) affecting identity portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An authenticated user can see and modify the value for ‘next’ query parameter in Symantec Identity Portal 14.4

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-601
Published	2023-09-19
Last modified	2026-06-17

Publisher (CNA): Symantec Corporation · Vendor: symantec

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-09-19 13:16 UTCPublished CVE record published
2026-06-17 05:38 UTCUpdated Record last modified

symantec identity portal DOWNGRADE

Affected: 14.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 14.4

1. Check installed version

apt-cache policy identity-portal || rpm -q identity-portal || identity-portal --version

2. No fixed release: DOWNGRADE to a release before 14.4 (Debian / Ubuntu)

apt-cache madison identity-portal sudo apt install identity-portal=<VERSION_BEFORE_14.4> sudo apt-mark hold identity-portal

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list identity-portal sudo dnf downgrade identity-portal-<VERSION_BEFORE_14.4> sudo dnf versionlock add identity-portal

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-23957?

identity portal: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-23957 being exploited?

CVE-2023-23957 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-23957 affect?

CVE-2023-23957 affects identity portal. Severity is medium (CVSS 5.4). An authenticated user can see and modify the value for ‘next’ query parameter in Symantec Identity Portal 14.4

How urgent is CVE-2023-23957?

Priority 25/100. No elevated risk signals yet.

Software pages

Symantec and Broadcom vulnerabilities

References

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