An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions F7.20A to F7.20A.
An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions F7.20A to F7.20A.253. A cross-site scripting (XSS) vulnerability in the search function of the management web interface allows remote attackers to inject arbitrary web script or HTML via the keyword parameter.
- Published
- Jul 18, 2019
- Updated
- Jun 16, 2026
- EPSS
- 1.0% · 62th percentile
- CWE
- CWE-79
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Report tools
Action score
24
Monitor
Low priority for now.
- CVSS
- 24 / 40 · 6.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.0%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| audiocodes | mediant 500l-msbr firmware | cpe:2.3:o:audiocodes:mediant_500l-msbr_firmware |
| audiocodes | mediant 500l-msbr | cpe:2.3:h:audiocodes:mediant_500l-msbr |
| audiocodes | mediant 500-mbsr firmware | cpe:2.3:o:audiocodes:mediant_500-mbsr_firmware |
| audiocodes | mediant 500-mbsr | cpe:2.3:h:audiocodes:mediant_500-mbsr |
| audiocodes | mediant m800b-msbr firmware | cpe:2.3:o:audiocodes:mediant_m800b-msbr_firmware |
| audiocodes | mediant m800b-msbr | cpe:2.3:h:audiocodes:mediant_m800b-msbr |
| audiocodes | mediant 800c-msbr firmware | cpe:2.3:o:audiocodes:mediant_800c-msbr_firmware |
| audiocodes | mediant 800c-msbr | cpe:2.3:h:audiocodes:mediant_800c-msbr |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- audiocodes mediant 500-mbsr firmwaref7.20a and later · up to f7.20a.253 inclusive
- audiocodes mediant 500l-msbr firmwaref7.20a and later · up to f7.20a.253 inclusive
- audiocodes mediant 800c-msbr firmwaref7.20a and later · up to f7.20a.253 inclusive
- audiocodes mediant m800b-msbr firmwaref7.20a and later · up to f7.20a.253 inclusive
Same product
audiocodes: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-9231An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions before 7.20A.202.35Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
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Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- low · data can be read
- Integrity
- low · data or configuration can be modified
- Availability
- none
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality impact
- Low
- Integrity impact
- Low
- Availability impact
- None
Weakness class (CWE)
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvd-primary
Root cause
User content is inserted into the page as HTML. The browser interprets the content as code rather than data.
The bug in code
The whole CWE-79 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
commentEl.innerHTML = comment.body;Fixed
commentEl.textContent = comment.body;Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
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Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.