CVE-2025-2245: A server-side request forgery (SSRF) vulnerability exists in the Bitdefender GravityZone Update Server when op

Q: How do I fix CVE-2025-2245?

gravityzone update server: upgrade to 3.5.2.689. Exact commands for each OS are on this page.

Q: Is CVE-2025-2245 being exploited?

CVE-2025-2245 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-2245 affect?

CVE-2025-2245 affects gravityzone update server. Severity is medium (CVSS 5.3). A server-side request forgery (SSRF) vulnerability exists in the Bitdefender GravityZone Update Server when operating in Relay Mode. The HTTP proxy component on port 7074 uses a domain allowlist to restrict outbound requests, but fails to p

Q: How urgent is CVE-2025-2245?

Priority 30/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2025-2245 is a medium-severity flaw (CVSS 5.3) affecting gravityzone update server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A server-side request forgery (SSRF) vulnerability exists in the Bitdefender GravityZone Update Server when operating in Relay Mode. The HTTP proxy component on port 7074 uses a domain allowlist to restrict outbound requests, but fails to properly sanitize hostnames containing null-byte (%00) sequences. By crafting a request to a domain such as evil.com%00.bitdefender.com, an attacker can bypass the allowlist check, causing the proxy to forward r

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-918
Published	2025-04-04
Last modified	2026-06-17

Publisher (CNA): Bitdefender · Vendor: bitdefender

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

Am I affected?

Timeline

2025-04-04 10:15 UTCPublished CVE record published
2026-06-17 09:06 UTCUpdated Record last modified

bitdefender gravityzone update server UPGRADE

Affected: < 3.5.2.689

Fixed in: 3.5.2.689

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gravityzone-update-server || rpm -q gravityzone-update-server || gravityzone-update-server --version

2. UPGRADE to 3.5.2.689 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gravityzone-update-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gravityzone-update-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2025-2245?

gravityzone update server: upgrade to 3.5.2.689. Exact commands for each OS are on this page.

Is CVE-2025-2245 being exploited?

CVE-2025-2245 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-2025-2245 affect?

CVE-2025-2245 affects gravityzone update server. Severity is medium (CVSS 5.3). A server-side request forgery (SSRF) vulnerability exists in the Bitdefender GravityZone Update Server when operating in Relay Mode. The HTTP proxy component on port 7074 uses a domain allowlist to restrict outbound requests, but fails to p

How urgent is CVE-2025-2245?

Priority 30/100. Remotely exploitable, no login, no user action

References

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